diff --git a/plugins/org.eclipse.xtext.xtext.generator/src/org/eclipse/xtext/xtext/generator/parser/antlr/AntlrContentAssistGrammarGenerator.xtend b/plugins/org.eclipse.xtext.xtext.generator/src/org/eclipse/xtext/xtext/generator/parser/antlr/AntlrContentAssistGrammarGenerator.xtend
index 242f3d8f8..02ae9997d 100644
--- a/plugins/org.eclipse.xtext.xtext.generator/src/org/eclipse/xtext/xtext/generator/parser/antlr/AntlrContentAssistGrammarGenerator.xtend
+++ b/plugins/org.eclipse.xtext.xtext.generator/src/org/eclipse/xtext/xtext/generator/parser/antlr/AntlrContentAssistGrammarGenerator.xtend
@@ -44,7 +44,7 @@ class AntlrContentAssistGrammarGenerator extends AbstractAntlrGrammarWithActions
 				
 				{
 					«FOR kw: allKeywords.sort.sortBy[length]»
-						tokenNameToValue.put("«keywordHelper.getRuleName(kw)»", "'«kw.toStringInAntlrAction.replaceAll("\\\\\\$", "\\\\u0024")»'");
+						tokenNameToValue.put("«keywordHelper.getRuleName(kw)»", "'«kw.toStringInAntlrAction.replace('$', "\\u0024")»'");
 					«ENDFOR»
 				}
 			«ENDIF»