diff --git a/PySide/QtCore/typesystem_core.xml b/PySide/QtCore/typesystem_core.xml
index 5331fa9..8b1bab6 100644
--- a/PySide/QtCore/typesystem_core.xml
+++ b/PySide/QtCore/typesystem_core.xml
@@ -161,7 +161,7 @@
     <include file-name="typeresolver.h" location="global"/>
   </primitive-type>
 
-  <primitive-type name="QVariant::Type">
+  <primitive-type name="QVariant::Type" default-constructor="QVariant::Invalid">
     <conversion-rule file="qvariant_type_conversions.h" />
   </primitive-type>
   <container-type name="QSet" type="set">