diff --git a/reactos/subsystems/win32/win32k/ntuser/window.c b/reactos/subsystems/win32/win32k/ntuser/window.c
index cf43dbcf680..3134b25063c 100644
--- a/reactos/subsystems/win32/win32k/ntuser/window.c
+++ b/reactos/subsystems/win32/win32k/ntuser/window.c
@@ -3081,7 +3081,8 @@ NtUserGetInternalWindowPos( HWND hWnd,
    }
    _SEH2_END;
 
-   
+   wndpl.length = sizeof(WINDOWPLACEMENT);   
+
    if (IntGetWindowPlacement(Window, &wndpl) && !Hit)
    {
       _SEH2_TRY