diff --git a/plugins/org.eclipse.xtext/src/org/eclipse/xtext/parser/antlr/AbstractInternalAntlrParser.java b/plugins/org.eclipse.xtext/src/org/eclipse/xtext/parser/antlr/AbstractInternalAntlrParser.java
index 6eca5cc3e..49f670be1 100644
--- a/plugins/org.eclipse.xtext/src/org/eclipse/xtext/parser/antlr/AbstractInternalAntlrParser.java
+++ b/plugins/org.eclipse.xtext/src/org/eclipse/xtext/parser/antlr/AbstractInternalAntlrParser.java
@@ -576,7 +576,7 @@ public abstract class AbstractInternalAntlrParser extends Parser {
 
 	private String normalizeEntryRuleName(String entryRuleName) {
 		String antlrEntryRuleName;
-		if (!entryRuleName.startsWith("entryRule")) {
+		if (!entryRuleName.startsWith("entryRule") && !entryRuleName.startsWith("entryNorm")) {
 			if (!entryRuleName.startsWith("rule")) {
 				antlrEntryRuleName = "entryRule" + entryRuleName;
 			} else {