diff --git a/src/propgrid/propgridpagestate.cpp b/src/propgrid/propgridpagestate.cpp
index 1b7b9e7ba3..572e52bddd 100644
--- a/src/propgrid/propgridpagestate.cpp
+++ b/src/propgrid/propgridpagestate.cpp
@@ -1659,7 +1659,7 @@ wxPGProperty* wxPropertyGridPageState::DoInsert( wxPGProperty* parent, int index
                  wxNullProperty,
                  wxS("when adding properties to fixed parents, use BeginAddChildren and EndAddChildren.") );
 
-    bool res = PrepareToAddItem( property, (wxPropertyCategory*)parent );
+    bool res = PrepareToAddItem( property, parent );
 
     // PrepareToAddItem() may just decide to use current category
     // instead of adding new one.