diff --git a/intern/cycles/graph/node_type.h b/intern/cycles/graph/node_type.h
index e89bb5b3c1f..1fb135f6d22 100644
--- a/intern/cycles/graph/node_type.h
+++ b/intern/cycles/graph/node_type.h
@@ -125,8 +125,8 @@ struct NodeType
 
 	ustring name;
 	Type type;
-	vector<SocketType> inputs;
-	vector<SocketType> outputs;
+	vector<SocketType, std::allocator<SocketType> > inputs;
+	vector<SocketType, std::allocator<SocketType> > outputs;
 	CreateFunc create;
 
 	static NodeType *add(const char *name, CreateFunc create, Type type = NONE);