diff --git a/lib/VMCore/ConstantsContext.h b/lib/VMCore/ConstantsContext.h
index fc2d5af991c..4b08e04dafd 100644
--- a/lib/VMCore/ConstantsContext.h
+++ b/lib/VMCore/ConstantsContext.h
@@ -446,7 +446,7 @@ struct ConstantCreator<ConstantAggregateZero, Type, ValType> {
 template<>
 struct ConstantCreator<MDNode, Type, std::vector<Value*> > {
   static MDNode *create(const Type* Ty, const std::vector<Value*> &V) {
-    return new MDNode(V.data(), V.size());
+    return new MDNode(&V[0], V.size());
   }
 };