diff --git a/ext/puma_http11/http11_parser.c b/ext/puma_http11/http11_parser.c
index 3398b7bab4..864ad04539 100644
--- a/ext/puma_http11/http11_parser.c
+++ b/ext/puma_http11/http11_parser.c
@@ -31,27 +31,27 @@ static void snake_upcase_char(char *c)
 /** Machine **/
 
 
-#line 78 "ext/puma_http11/http11_parser.rl"
+#line 79 "ext/puma_http11/http11_parser.rl"
 
 
 /** Data **/
 
-#line 39 "ext/puma_http11/http11_parser.c"
+#line 40 "ext/puma_http11/http11_parser.c"
 static const int puma_parser_start = 1;
 static const int puma_parser_first_final = 47;
 static const int puma_parser_error = 0;
 
-#line 82 "ext/puma_http11/http11_parser.rl"
+#line 83 "ext/puma_http11/http11_parser.rl"
 
 int puma_parser_init(puma_parser *parser)  {
   int cs = 0;
 
-#line 52 "ext/puma_http11/http11_parser.c"
+#line 53 "ext/puma_http11/http11_parser.c"
 	{
 	cs = puma_parser_start;
 	}
 
-#line 86 "ext/puma_http11/http11_parser.rl"
+#line 87 "ext/puma_http11/http11_parser.rl"
   parser->cs = cs;
   parser->body_start = 0;
   parser->content_len = 0;
@@ -77,10 +77,10 @@ size_t puma_parser_execute(puma_parser *parser, const char *buffer, size_t len,
   pe = buffer+len;
 
   /* assert(*pe == '\0' && "pointer does not end on NUL"); */
-  assert(pe - p == len - off && "pointers aren't same distance");
+  assert((size_t) (pe - p) == len - off && "pointers aren't same distance");
 
 
-#line 86 "ext/puma_http11/http11_parser.c"
+#line 87 "ext/puma_http11/http11_parser.c"
 	{
 	if ( p == pe )
 		goto _test_eof;
@@ -104,14 +104,14 @@ case 1:
 cs = 0;
 	goto _out;
 tr0:
-#line 34 "ext/puma_http11/http11_parser.rl"
+#line 35 "ext/puma_http11/http11_parser.rl"
 	{ MARK(mark, p); }
 	goto st2;
 st2:
 	if ( ++p == pe )
 		goto _test_eof2;
 case 2:
-#line 117 "ext/puma_http11/http11_parser.c"
+#line 118 "ext/puma_http11/http11_parser.c"
 	switch( (*p) ) {
 		case 32: goto tr2;
 		case 36: goto st28;
@@ -127,7 +127,7 @@ case 2:
 		goto st28;
 	goto st0;
 tr2:
-#line 47 "ext/puma_http11/http11_parser.rl"
+#line 48 "ext/puma_http11/http11_parser.rl"
 	{
     parser->request_method(parser, PTR_TO(mark), LEN(mark, p));
   }
@@ -136,7 +136,7 @@ case 2:
 	if ( ++p == pe )
 		goto _test_eof3;
 case 3:
-#line 142 "ext/puma_http11/http11_parser.c"
+#line 143 "ext/puma_http11/http11_parser.c"
 	switch( (*p) ) {
 		case 42: goto tr4;
 		case 43: goto tr5;
@@ -153,67 +153,67 @@ case 3:
 		goto tr5;
 	goto st0;
 tr4:
-#line 34 "ext/puma_http11/http11_parser.rl"
+#line 35 "ext/puma_http11/http11_parser.rl"
 	{ MARK(mark, p); }
 	goto st4;
 st4:
 	if ( ++p == pe )
 		goto _test_eof4;
 case 4:
-#line 166 "ext/puma_http11/http11_parser.c"
+#line 167 "ext/puma_http11/http11_parser.c"
 	switch( (*p) ) {
 		case 32: goto tr8;
 		case 35: goto tr9;
 	}
 	goto st0;
 tr8:
-#line 50 "ext/puma_http11/http11_parser.rl"
+#line 51 "ext/puma_http11/http11_parser.rl"
 	{
     parser->request_uri(parser, PTR_TO(mark), LEN(mark, p));
   }
 	goto st5;
 tr31:
-#line 34 "ext/puma_http11/http11_parser.rl"
+#line 35 "ext/puma_http11/http11_parser.rl"
 	{ MARK(mark, p); }
-#line 53 "ext/puma_http11/http11_parser.rl"
+#line 54 "ext/puma_http11/http11_parser.rl"
 	{
     parser->fragment(parser, PTR_TO(mark), LEN(mark, p));
   }
 	goto st5;
 tr33:
-#line 53 "ext/puma_http11/http11_parser.rl"
+#line 54 "ext/puma_http11/http11_parser.rl"
 	{
     parser->fragment(parser, PTR_TO(mark), LEN(mark, p));
   }
 	goto st5;
 tr37:
-#line 66 "ext/puma_http11/http11_parser.rl"
+#line 67 "ext/puma_http11/http11_parser.rl"
 	{
     parser->request_path(parser, PTR_TO(mark), LEN(mark,p));
   }
-#line 50 "ext/puma_http11/http11_parser.rl"
+#line 51 "ext/puma_http11/http11_parser.rl"
 	{
     parser->request_uri(parser, PTR_TO(mark), LEN(mark, p));
   }
 	goto st5;
 tr44:
-#line 57 "ext/puma_http11/http11_parser.rl"
-	{ MARK(query_start, p); }
 #line 58 "ext/puma_http11/http11_parser.rl"
+	{ MARK(query_start, p); }
+#line 59 "ext/puma_http11/http11_parser.rl"
 	{
     parser->query_string(parser, PTR_TO(query_start), LEN(query_start, p));
   }
-#line 50 "ext/puma_http11/http11_parser.rl"
+#line 51 "ext/puma_http11/http11_parser.rl"
 	{
     parser->request_uri(parser, PTR_TO(mark), LEN(mark, p));
   }
 	goto st5;
 tr47:
-#line 58 "ext/puma_http11/http11_parser.rl"
+#line 59 "ext/puma_http11/http11_parser.rl"
 	{
     parser->query_string(parser, PTR_TO(query_start), LEN(query_start, p));
   }
-#line 50 "ext/puma_http11/http11_parser.rl"
+#line 51 "ext/puma_http11/http11_parser.rl"
 	{
     parser->request_uri(parser, PTR_TO(mark), LEN(mark, p));
   }
@@ -222,19 +222,19 @@ case 4:
 	if ( ++p == pe )
 		goto _test_eof5;
 case 5:
-#line 228 "ext/puma_http11/http11_parser.c"
+#line 229 "ext/puma_http11/http11_parser.c"
 	if ( (*p) == 72 )
 		goto tr10;
 	goto st0;
 tr10:
-#line 34 "ext/puma_http11/http11_parser.rl"
+#line 35 "ext/puma_http11/http11_parser.rl"
 	{ MARK(mark, p); }
 	goto st6;
 st6:
 	if ( ++p == pe )
 		goto _test_eof6;
 case 6:
-#line 240 "ext/puma_http11/http11_parser.c"
+#line 241 "ext/puma_http11/http11_parser.c"
 	if ( (*p) == 84 )
 		goto st7;
 	goto st0;
@@ -292,21 +292,21 @@ case 13:
 		goto st13;
 	goto st0;
 tr18:
-#line 62 "ext/puma_http11/http11_parser.rl"
+#line 63 "ext/puma_http11/http11_parser.rl"
 	{
     parser->http_version(parser, PTR_TO(mark), LEN(mark, p));
   }
 	goto st14;
 tr26:
-#line 43 "ext/puma_http11/http11_parser.rl"
-	{ MARK(mark, p); }
 #line 44 "ext/puma_http11/http11_parser.rl"
+	{ MARK(mark, p); }
+#line 45 "ext/puma_http11/http11_parser.rl"
 	{
     parser->http_field(parser, PTR_TO(field_start), parser->field_len, PTR_TO(mark), LEN(mark, p));
   }
 	goto st14;
 tr29:
-#line 44 "ext/puma_http11/http11_parser.rl"
+#line 45 "ext/puma_http11/http11_parser.rl"
 	{
     parser->http_field(parser, PTR_TO(field_start), parser->field_len, PTR_TO(mark), LEN(mark, p));
   }
@@ -315,7 +315,7 @@ case 13:
 	if ( ++p == pe )
 		goto _test_eof14;
 case 14:
-#line 321 "ext/puma_http11/http11_parser.c"
+#line 322 "ext/puma_http11/http11_parser.c"
 	if ( (*p) == 10 )
 		goto st15;
 	goto st0;
@@ -355,7 +355,7 @@ case 16:
 		goto tr22;
 	goto st0;
 tr22:
-#line 70 "ext/puma_http11/http11_parser.rl"
+#line 71 "ext/puma_http11/http11_parser.rl"
 	{
     parser->body_start = p - buffer + 1;
     parser->header_done(parser, p + 1, pe - p - 1);
@@ -366,23 +366,23 @@ case 16:
 	if ( ++p == pe )
 		goto _test_eof47;
 case 47:
-#line 372 "ext/puma_http11/http11_parser.c"
+#line 373 "ext/puma_http11/http11_parser.c"
 	goto st0;
 tr21:
-#line 37 "ext/puma_http11/http11_parser.rl"
-	{ MARK(field_start, p); }
 #line 38 "ext/puma_http11/http11_parser.rl"
+	{ MARK(field_start, p); }
+#line 39 "ext/puma_http11/http11_parser.rl"
 	{ snake_upcase_char((char *)p); }
 	goto st17;
 tr23:
-#line 38 "ext/puma_http11/http11_parser.rl"
+#line 39 "ext/puma_http11/http11_parser.rl"
 	{ snake_upcase_char((char *)p); }
 	goto st17;
 st17:
 	if ( ++p == pe )
 		goto _test_eof17;
 case 17:
-#line 388 "ext/puma_http11/http11_parser.c"
+#line 389 "ext/puma_http11/http11_parser.c"
 	switch( (*p) ) {
 		case 33: goto tr23;
 		case 58: goto tr24;
@@ -408,71 +408,71 @@ case 17:
 		goto tr23;
 	goto st0;
 tr24:
-#line 39 "ext/puma_http11/http11_parser.rl"
+#line 40 "ext/puma_http11/http11_parser.rl"
 	{
     parser->field_len = LEN(field_start, p);
   }
 	goto st18;
 tr27:
-#line 43 "ext/puma_http11/http11_parser.rl"
+#line 44 "ext/puma_http11/http11_parser.rl"
 	{ MARK(mark, p); }
 	goto st18;
 st18:
 	if ( ++p == pe )
 		goto _test_eof18;
 case 18:
-#line 427 "ext/puma_http11/http11_parser.c"
+#line 428 "ext/puma_http11/http11_parser.c"
 	switch( (*p) ) {
 		case 13: goto tr26;
 		case 32: goto tr27;
 	}
 	goto tr25;
 tr25:
-#line 43 "ext/puma_http11/http11_parser.rl"
+#line 44 "ext/puma_http11/http11_parser.rl"
 	{ MARK(mark, p); }
 	goto st19;
 st19:
 	if ( ++p == pe )
 		goto _test_eof19;
 case 19:
-#line 441 "ext/puma_http11/http11_parser.c"
+#line 442 "ext/puma_http11/http11_parser.c"
 	if ( (*p) == 13 )
 		goto tr29;
 	goto st19;
 tr9:
-#line 50 "ext/puma_http11/http11_parser.rl"
+#line 51 "ext/puma_http11/http11_parser.rl"
 	{
     parser->request_uri(parser, PTR_TO(mark), LEN(mark, p));
   }
 	goto st20;
 tr38:
-#line 66 "ext/puma_http11/http11_parser.rl"
+#line 67 "ext/puma_http11/http11_parser.rl"
 	{
     parser->request_path(parser, PTR_TO(mark), LEN(mark,p));
   }
-#line 50 "ext/puma_http11/http11_parser.rl"
+#line 51 "ext/puma_http11/http11_parser.rl"
 	{
     parser->request_uri(parser, PTR_TO(mark), LEN(mark, p));
   }
 	goto st20;
 tr45:
-#line 57 "ext/puma_http11/http11_parser.rl"
-	{ MARK(query_start, p); }
 #line 58 "ext/puma_http11/http11_parser.rl"
+	{ MARK(query_start, p); }
+#line 59 "ext/puma_http11/http11_parser.rl"
 	{
     parser->query_string(parser, PTR_TO(query_start), LEN(query_start, p));
   }
-#line 50 "ext/puma_http11/http11_parser.rl"
+#line 51 "ext/puma_http11/http11_parser.rl"
 	{
     parser->request_uri(parser, PTR_TO(mark), LEN(mark, p));
   }
 	goto st20;
 tr48:
-#line 58 "ext/puma_http11/http11_parser.rl"
+#line 59 "ext/puma_http11/http11_parser.rl"
 	{
     parser->query_string(parser, PTR_TO(query_start), LEN(query_start, p));
   }
-#line 50 "ext/puma_http11/http11_parser.rl"
+#line 51 "ext/puma_http11/http11_parser.rl"
 	{
     parser->request_uri(parser, PTR_TO(mark), LEN(mark, p));
   }
@@ -481,7 +481,7 @@ case 19:
 	if ( ++p == pe )
 		goto _test_eof20;
 case 20:
-#line 487 "ext/puma_http11/http11_parser.c"
+#line 488 "ext/puma_http11/http11_parser.c"
 	switch( (*p) ) {
 		case 32: goto tr31;
 		case 60: goto st0;
@@ -495,14 +495,14 @@ case 20:
 		goto st0;
 	goto tr30;
 tr30:
-#line 34 "ext/puma_http11/http11_parser.rl"
+#line 35 "ext/puma_http11/http11_parser.rl"
 	{ MARK(mark, p); }
 	goto st21;
 st21:
 	if ( ++p == pe )
 		goto _test_eof21;
 case 21:
-#line 508 "ext/puma_http11/http11_parser.c"
+#line 509 "ext/puma_http11/http11_parser.c"
 	switch( (*p) ) {
 		case 32: goto tr33;
 		case 60: goto st0;
@@ -516,14 +516,14 @@ case 21:
 		goto st0;
 	goto st21;
 tr5:
-#line 34 "ext/puma_http11/http11_parser.rl"
+#line 35 "ext/puma_http11/http11_parser.rl"
 	{ MARK(mark, p); }
 	goto st22;
 st22:
 	if ( ++p == pe )
 		goto _test_eof22;
 case 22:
-#line 529 "ext/puma_http11/http11_parser.c"
+#line 530 "ext/puma_http11/http11_parser.c"
 	switch( (*p) ) {
 		case 43: goto st22;
 		case 58: goto st23;
@@ -541,14 +541,14 @@ case 22:
 		goto st22;
 	goto st0;
 tr7:
-#line 34 "ext/puma_http11/http11_parser.rl"
+#line 35 "ext/puma_http11/http11_parser.rl"
 	{ MARK(mark, p); }
 	goto st23;
 st23:
 	if ( ++p == pe )
 		goto _test_eof23;
 case 23:
-#line 554 "ext/puma_http11/http11_parser.c"
+#line 555 "ext/puma_http11/http11_parser.c"
 	switch( (*p) ) {
 		case 32: goto tr8;
 		case 34: goto st0;
@@ -561,14 +561,14 @@ case 23:
 		goto st0;
 	goto st23;
 tr6:
-#line 34 "ext/puma_http11/http11_parser.rl"
+#line 35 "ext/puma_http11/http11_parser.rl"
 	{ MARK(mark, p); }
 	goto st24;
 st24:
 	if ( ++p == pe )
 		goto _test_eof24;
 case 24:
-#line 574 "ext/puma_http11/http11_parser.c"
+#line 575 "ext/puma_http11/http11_parser.c"
 	switch( (*p) ) {
 		case 32: goto tr37;
 		case 34: goto st0;
@@ -583,7 +583,7 @@ case 24:
 		goto st0;
 	goto st24;
 tr39:
-#line 66 "ext/puma_http11/http11_parser.rl"
+#line 67 "ext/puma_http11/http11_parser.rl"
 	{
     parser->request_path(parser, PTR_TO(mark), LEN(mark,p));
   }
@@ -592,7 +592,7 @@ case 24:
 	if ( ++p == pe )
 		goto _test_eof25;
 case 25:
-#line 598 "ext/puma_http11/http11_parser.c"
+#line 599 "ext/puma_http11/http11_parser.c"
 	switch( (*p) ) {
 		case 32: goto tr8;
 		case 34: goto st0;
@@ -606,7 +606,7 @@ case 25:
 		goto st0;
 	goto st25;
 tr40:
-#line 66 "ext/puma_http11/http11_parser.rl"
+#line 67 "ext/puma_http11/http11_parser.rl"
 	{
     parser->request_path(parser, PTR_TO(mark), LEN(mark,p));
   }
@@ -615,7 +615,7 @@ case 25:
 	if ( ++p == pe )
 		goto _test_eof26;
 case 26:
-#line 621 "ext/puma_http11/http11_parser.c"
+#line 622 "ext/puma_http11/http11_parser.c"
 	switch( (*p) ) {
 		case 32: goto tr44;
 		case 34: goto st0;
@@ -628,14 +628,14 @@ case 26:
 		goto st0;
 	goto tr43;
 tr43:
-#line 57 "ext/puma_http11/http11_parser.rl"
+#line 58 "ext/puma_http11/http11_parser.rl"
 	{ MARK(query_start, p); }
 	goto st27;
 st27:
 	if ( ++p == pe )
 		goto _test_eof27;
 case 27:
-#line 641 "ext/puma_http11/http11_parser.c"
+#line 642 "ext/puma_http11/http11_parser.c"
 	switch( (*p) ) {
 		case 32: goto tr47;
 		case 34: goto st0;
@@ -1030,7 +1030,7 @@ case 46:
 	_out: {}
 	}
 
-#line 114 "ext/puma_http11/http11_parser.rl"
+#line 115 "ext/puma_http11/http11_parser.rl"
 
   if (!puma_parser_has_error(parser))
     parser->cs = cs;
diff --git a/ext/puma_http11/http11_parser.rl b/ext/puma_http11/http11_parser.rl
index ac01d58a85..880c1d40be 100644
--- a/ext/puma_http11/http11_parser.rl
+++ b/ext/puma_http11/http11_parser.rl
@@ -29,7 +29,7 @@ static void snake_upcase_char(char *c)
 /** Machine **/
 
 %%{
-  
+
   machine puma_parser;
 
   action mark { MARK(mark, fpc); }
@@ -37,7 +37,7 @@ static void snake_upcase_char(char *c)
 
   action start_field { MARK(field_start, fpc); }
   action snake_upcase_field { snake_upcase_char((char *)fpc); }
-  action write_field { 
+  action write_field {
     parser->field_len = LEN(field_start, fpc);
   }
 
@@ -45,10 +45,10 @@ static void snake_upcase_char(char *c)
   action write_value {
     parser->http_field(parser, PTR_TO(field_start), parser->field_len, PTR_TO(mark), LEN(mark, fpc));
   }
-  action request_method { 
+  action request_method {
     parser->request_method(parser, PTR_TO(mark), LEN(mark, fpc));
   }
-  action request_uri { 
+  action request_uri {
     parser->request_uri(parser, PTR_TO(mark), LEN(mark, fpc));
   }
   action fragment {
@@ -56,11 +56,11 @@ static void snake_upcase_char(char *c)
   }
 
   action start_query { MARK(query_start, fpc); }
-  action query_string { 
+  action query_string {
     parser->query_string(parser, PTR_TO(query_start), LEN(query_start, fpc));
   }
 
-  action http_version {	
+  action http_version {
     parser->http_version(parser, PTR_TO(mark), LEN(mark, fpc));
   }
 
@@ -68,8 +68,8 @@ static void snake_upcase_char(char *c)
     parser->request_path(parser, PTR_TO(mark), LEN(mark,fpc));
   }
 
-  action done { 
-    parser->body_start = fpc - buffer + 1; 
+  action done {
+    parser->body_start = fpc - buffer + 1;
     parser->header_done(parser, fpc + 1, pe - fpc - 1);
     fbreak;
   }
@@ -109,7 +109,7 @@ size_t puma_parser_execute(puma_parser *parser, const char *buffer, size_t len,
   pe = buffer+len;
 
   /* assert(*pe == '\0' && "pointer does not end on NUL"); */
-  assert(pe - p == len - off && "pointers aren't same distance");
+  assert((size_t) (pe - p) == len - off && "pointers aren't same distance");
 
   %% write exec;