diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/utils/DefinitionFinder2.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/utils/DefinitionFinder2.java
index 1b26899d803..29e29b7cbe5 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/utils/DefinitionFinder2.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/utils/DefinitionFinder2.java
@@ -46,6 +46,9 @@ public class DefinitionFinder2 {
 			return null;
 		}
 		IIndexBinding binding = index.adaptBinding(declarator.getName().resolveBinding());
+		if (binding == null) {
+			return null;
+		}
 		return getDefinition(binding, astCache, index);
 	}