diff --git a/dlls/imm32/tests/imm32.c b/dlls/imm32/tests/imm32.c
index d948f54..a5d09ca 100644
--- a/dlls/imm32/tests/imm32.c
+++ b/dlls/imm32/tests/imm32.c
@@ -177,12 +177,16 @@ static int test_ImmNotifyIME(void) {
     static const char string[] = "wine";
     char resstr[16] = "";
     HIMC imc;
+    BOOL ret;
 
     imc = ImmGetContext(hwnd);
     msg_spy_flush_msgs();
 
-    ok(ImmNotifyIME(imc, NI_COMPOSITIONSTR, CPS_CANCEL, 0), "Canceling an "
-       "empty composition string succeeds.\n");
+    todo_wine
+    {
+        ok(!ImmNotifyIME(imc, NI_COMPOSITIONSTR, CPS_CANCEL, 0), "Canceling an "
+           "empty composition string should fail.\n");
+    }
     ok(!msg_spy_find_msg(WM_IME_COMPOSITION), "Windows does not post "
        "WM_IME_COMPOSITION in response to NI_COMPOSITIONSTR / CPS_CANCEL, if "
        "the composition string being canceled is empty.\n");
@@ -191,16 +195,24 @@ static int test_ImmNotifyIME(void) {
 
     ImmSetCompositionString(imc, SCS_SETSTR, string, sizeof(string), NULL, 0);
     ImmNotifyIME(imc, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
-    ok(msg_spy_find_msg(WM_IME_COMPOSITION) != NULL, "Windows does post "
-       "WM_IME_COMPOSITION in response to NI_COMPOSITIONSTR / CPS_CANCEL, if "
-       "the composition string being canceled is non empty.\n");
-    ok(!ImmGetCompositionString(imc, GCS_COMPSTR, resstr, sizeof(resstr)),
-       "After being canceled the composition string is empty.\n");
+    todo_wine
+    {
+        ok(!msg_spy_find_msg(WM_IME_COMPOSITION), "Windows does not post "
+           "WM_IME_COMPOSITION in response to NI_COMPOSITIONSTR / CPS_CANCEL, if "
+           "the composition string being canceled is non empty.\n");
+    }
+
+    /* behavior differs between win9x and NT */
+    ret = ImmGetCompositionString(imc, GCS_COMPSTR, resstr, sizeof(resstr));
+    ok(ret || !ret, "You'll never read this.\n");
 
     msg_spy_flush_msgs();
 
-    ok(ImmNotifyIME(imc, NI_COMPOSITIONSTR, CPS_CANCEL, 0), "Canceling an "
-       "empty composition string succeeds.\n");
+    todo_wine
+    {
+        ok(!ImmNotifyIME(imc, NI_COMPOSITIONSTR, CPS_CANCEL, 0), "Canceling an "
+           "empty composition string should fail.\n");
+    }
     ok(!msg_spy_find_msg(WM_IME_COMPOSITION), "Windows does not post "
        "WM_IME_COMPOSITION in response to NI_COMPOSITIONSTR / CPS_CANCEL, if "
        "the composition string being canceled is empty.\n");
-- 
1.5.4.3