diff --git a/reactos/win32ss/user/ntuser/window.c b/reactos/win32ss/user/ntuser/window.c
index de3b4bd0c34..13d154685a4 100644
--- a/reactos/win32ss/user/ntuser/window.c
+++ b/reactos/win32ss/user/ntuser/window.c
@@ -1802,6 +1802,7 @@ PWND FASTCALL IntCreateWindow(CREATESTRUCTW* Cs,
    }
 
    InitializeListHead(&pWnd->PropListHead);
+   pWnd->PropListItems = 0;
 
    if ( WindowName->Buffer != NULL && WindowName->Length > 0 )
    {