diff --git a/dlls/user32/tests/msg.c b/dlls/user32/tests/msg.c
index 98fa424..409dc95 100644
--- a/dlls/user32/tests/msg.c
+++ b/dlls/user32/tests/msg.c
@@ -318,13 +318,13 @@ static const struct message WmSwitchNotMaximizedChild[] = {
     { WM_NCACTIVATE, sent|wparam|defwinproc, 1 }, /* in the 2nd MDI child */
     { WM_SETVISIBLE, hook }, /* in the 1st MDI child */
     { WM_KILLFOCUS, sent|defwinproc }, /* in the 1st MDI child */
-    { WM_IME_SETCONTEXT, sent|defwinproc }, /* in the 1st MDI child */
-    { WM_IME_SETCONTEXT, sent }, /* in the  MDI client */
+    { WM_IME_SETCONTEXT, sent|defwinproc|optional }, /* in the 1st MDI child */
+    { WM_IME_SETCONTEXT, sent|optional }, /* in the  MDI client */
     { WM_SETFOCUS, sent, 0 }, /* in the  MDI client */
     { WM_SETVISIBLE, hook },
     { WM_KILLFOCUS, sent }, /* in the  MDI client */
-    { WM_IME_SETCONTEXT, sent }, /* in the  MDI client */
-    { WM_IME_SETCONTEXT, sent|defwinproc  }, /* in the 1st MDI child */
+    { WM_IME_SETCONTEXT, sent|optional }, /* in the  MDI client */
+    { WM_IME_SETCONTEXT, sent|defwinproc|optional  }, /* in the 1st MDI child */
     { WM_SETFOCUS, sent|defwinproc }, /* in the 2nd MDI child */
     { WM_MDIACTIVATE, sent|defwinproc }, /* in the 2nd MDI child */
     { WM_WINDOWPOSCHANGED, sent|wparam, SWP_NOSIZE|SWP_NOMOVE|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE}, /* in the 2nd MDI child */
-- 
1.5.4.3