diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java
index a064428a6d3..b42b19a9be5 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java
@@ -449,7 +449,7 @@ public class CVisitor {
 		private boolean sameBinding(IBinding binding1, IBinding binding2) {
 			if (binding1 == binding2)
 				return true;
-			if (binding1.equals(binding2))
+			if (binding1 != null && binding1.equals(binding2))
 				return true;
 			return false;
 		}