diff --git a/src/main/java/com/fasterxml/jackson/core/json/async/NonBlockingJsonParser.java b/src/main/java/com/fasterxml/jackson/core/json/async/NonBlockingJsonParser.java
index 09f3fa5d5d..03a5d76cb1 100644
--- a/src/main/java/com/fasterxml/jackson/core/json/async/NonBlockingJsonParser.java
+++ b/src/main/java/com/fasterxml/jackson/core/json/async/NonBlockingJsonParser.java
@@ -636,11 +636,11 @@ private final JsonToken _startValue(int ch) throws IOException
             return _startTrueToken();
         case '[':
             return _startArrayScope();
-        case ']':
+        case INT_RBRACKET:
             return _closeArrayScope();
         case '{':
             return _startObjectScope();
-        case '}':
+        case INT_RCURLY:
             return _closeObjectScope();
         default:
         }
@@ -676,6 +676,10 @@ private final JsonToken _startValueExpectComma(int ch) throws IOException
             }
             _reportUnexpectedChar(ch, "was expecting comma to separate "+_parsingContext.typeDesc()+" entries");
         }
+
+        // 17-Sep-2019, tatu: [core#563] Need to call this to update index within array
+        _parsingContext.expectComma();
+
         int ptr = _inputPtr;
         if (ptr >= _inputEnd) {
             _minorState = MINOR_VALUE_WS_AFTER_COMMA;
@@ -722,7 +726,7 @@ private final JsonToken _startValueExpectComma(int ch) throws IOException
             return _startTrueToken();
         case '[':
             return _startArrayScope();
-        case ']':
+        case INT_RBRACKET:
             // Was that a trailing comma?
             if ((_features & FEAT_MASK_TRAILING_COMMA) != 0) {
                 return _closeArrayScope();
@@ -730,7 +734,7 @@ private final JsonToken _startValueExpectComma(int ch) throws IOException
             break;
         case '{':
             return _startObjectScope();
-        case '}':
+        case INT_RCURLY:
             // Was that a trailing comma?
             if ((_features & FEAT_MASK_TRAILING_COMMA) != 0) {
                 return _closeObjectScope();
@@ -866,7 +870,7 @@ private final JsonToken _startValueAfterComma(int ch) throws IOException
             return _startTrueToken();
         case '[':
             return _startArrayScope();
-        case ']':
+        case INT_RBRACKET:
             // Was that a trailing comma?
             if ((_features & FEAT_MASK_TRAILING_COMMA) != 0) {
                 return _closeArrayScope();
@@ -874,7 +878,7 @@ private final JsonToken _startValueAfterComma(int ch) throws IOException
             break;
         case '{':
             return _startObjectScope();
-        case '}':
+        case INT_RCURLY:
             // Was that a trailing comma?
             if ((_features & FEAT_MASK_TRAILING_COMMA) != 0) {
                 return _closeObjectScope();
@@ -888,7 +892,7 @@ private final JsonToken _startValueAfterComma(int ch) throws IOException
     protected JsonToken _startUnexpectedValue(boolean leadingComma, int ch) throws IOException
     {
         switch (ch) {
-        case ']':
+        case INT_RBRACKET:
             if (!_parsingContext.inArray()) {
                 break;
             }
@@ -902,7 +906,7 @@ protected JsonToken _startUnexpectedValue(boolean leadingComma, int ch) throws I
                 return _valueComplete(JsonToken.VALUE_NULL);
             }
             // fall through
-        case '}':
+        case INT_RCURLY:
             // Error: neither is valid at this point; valid closers have
             // been handled earlier
             break;
@@ -2071,7 +2075,7 @@ private JsonToken _handleOddName(int ch) throws IOException
                 return _finishAposName(0, 0, 0);
             }
             break;
-        case ']': // for better error reporting...
+        case INT_RBRACKET: // for better error reporting...
             return _closeArrayScope();
         }
         // allow unquoted names if feature enabled: