diff --git a/builtins/src/main/java/org/jline/builtins/Completers.java b/builtins/src/main/java/org/jline/builtins/Completers.java
index 1c26338f6..5dccc637c 100644
--- a/builtins/src/main/java/org/jline/builtins/Completers.java
+++ b/builtins/src/main/java/org/jline/builtins/Completers.java
@@ -259,8 +259,8 @@ protected Path getUserDir() {
         }
 
         @Override
-        protected String getSeparator() {
-            return forceSlash ? "/" : getUserDir().getFileSystem().getSeparator();
+        protected String getSeparator(boolean useForwardSlash) {
+            return forceSlash || useForwardSlash ? "/" : getUserDir().getFileSystem().getSeparator();
         }
 
         @Override
@@ -306,8 +306,8 @@ protected Path getUserDir() {
         }
 
         @Override
-        protected String getSeparator() {
-            return forceSlash ? "/" : getUserDir().getFileSystem().getSeparator();
+        protected String getSeparator(boolean useForwardSlash) {
+            return forceSlash || useForwardSlash ? "/" : getUserDir().getFileSystem().getSeparator();
         }
     }
 
@@ -341,7 +341,7 @@ public void complete(LineReader reader, ParsedLine commandLine, final List<Candi
 
             Path current;
             String curBuf;
-            String sep = getSeparator();
+            String sep = getSeparator(reader.isSet(LineReader.Option.USE_FORWARD_SLASH));
             int lastSep = buffer.lastIndexOf(sep);
             try {
                 if (lastSep >= 0) {
@@ -396,8 +396,8 @@ protected Path getUserHome() {
             return Paths.get(System.getProperty("user.home"));
         }
 
-        protected String getSeparator() {
-            return getUserDir().getFileSystem().getSeparator();
+        protected String getSeparator(boolean useForwardSlash) {
+            return useForwardSlash ? "/" :getUserDir().getFileSystem().getSeparator();
         }
 
         protected String getDisplay(Terminal terminal, Path p) {
diff --git a/reader/src/main/java/org/jline/reader/LineReader.java b/reader/src/main/java/org/jline/reader/LineReader.java
index 6e1cc18eb..1654ec263 100644
--- a/reader/src/main/java/org/jline/reader/LineReader.java
+++ b/reader/src/main/java/org/jline/reader/LineReader.java
@@ -406,6 +406,7 @@ enum Option {
         DELAY_LINE_WRAP,
         AUTO_PARAM_SLASH(true),
         AUTO_REMOVE_SLASH(true),
+        USE_FORWARD_SLASH(false),
         /** When hitting the <code>&lt;tab&gt;</code> key at the beginning of the line, insert a tabulation
          *  instead of completing.  This is mainly useful when {@link #BRACKETED_PASTE} is
          *  disabled, so that copy/paste of indented text does not trigger completion.