diff --git a/reactos/win32ss/user/ntuser/painting.c b/reactos/win32ss/user/ntuser/painting.c
index 61306173ab9..a07b6b2fbaf 100644
--- a/reactos/win32ss/user/ntuser/painting.c
+++ b/reactos/win32ss/user/ntuser/painting.c
@@ -1111,7 +1111,7 @@ UpdateThreadWindows(PWND pWnd, PTHREADINFO pti, HRGN hRgn)
       }
       else
       {
-          if (IsThreadSuspended(pwndTemp->head.pti))
+          if (IsThreadSuspended(pwndTemp->head.pti) || MsqIsHung(pwndTemp->head.pti))
           {
              UpdateTheadChildren(pwndTemp, hRgn);
           }