diff --git a/src/quick/items/qquickvisualadaptormodel.cpp b/src/quick/items/qquickvisualadaptormodel.cpp
index 622adf4ce9..cd9db7235b 100644
--- a/src/quick/items/qquickvisualadaptormodel.cpp
+++ b/src/quick/items/qquickvisualadaptormodel.cpp
@@ -65,7 +65,8 @@ class VDMDelegateDataType : public QQmlRefCount
     }
 
     VDMDelegateDataType(const VDMDelegateDataType &type)
-        : metaObject(0)
+        : QQmlRefCount()
+        , metaObject(0)
         , propertyCache(0)
         , propertyOffset(type.propertyOffset)
         , signalOffset(type.signalOffset)