diff --git a/dlls/mshtml/tests/htmldoc.c b/dlls/mshtml/tests/htmldoc.c
index 65451b1793..d1d02f0bf7 100644
--- a/dlls/mshtml/tests/htmldoc.c
+++ b/dlls/mshtml/tests/htmldoc.c
@@ -834,6 +834,7 @@ static HRESULT WINAPI PropertyNotifySink_OnChanged(IPropertyNotifySink *iface, D
         CHECK_EXPECT(OnChanged_1012);
         return S_OK;
     case 1030:
+    case 3000028:
     case 3000029:
     case 3000030:
         /* TODO */