diff --git a/plugins/org.eclipse.xtext.ide/src/org/eclipse/xtext/ide/editor/contentassist/antlr/CallHierarchyHelper.java b/plugins/org.eclipse.xtext.ide/src/org/eclipse/xtext/ide/editor/contentassist/antlr/CallHierarchyHelper.java
index f1187a8ec..8becfc105 100644
--- a/plugins/org.eclipse.xtext.ide/src/org/eclipse/xtext/ide/editor/contentassist/antlr/CallHierarchyHelper.java
+++ b/plugins/org.eclipse.xtext.ide/src/org/eclipse/xtext/ide/editor/contentassist/antlr/CallHierarchyHelper.java
@@ -157,6 +157,7 @@ public class CallHierarchyHelper extends XtextSwitch<Boolean> {
 		if (foundSomething) {
 			this.grammarElement = nextGrammarElement;
 			this.visiting.clear();
+			this.visited.clear();
 		}
 		return Boolean.FALSE;
 	}