diff --git a/dlls/amstream/audiostream.c b/dlls/amstream/audiostream.c
index a19cb4ea96f..60a2572b3ba 100644
--- a/dlls/amstream/audiostream.c
+++ b/dlls/amstream/audiostream.c
@@ -1073,7 +1073,7 @@ static HRESULT WINAPI audio_sink_QueryId(IPin *iface, WCHAR **id)
 static HRESULT WINAPI audio_sink_QueryAccept(IPin *iface, const AM_MEDIA_TYPE *mt)
 {
     TRACE("iface %p, mt %p.\n", iface, mt);
-    return S_OK;
+    return E_NOTIMPL;
 }
 
 static HRESULT WINAPI audio_sink_EnumMediaTypes(IPin *iface, IEnumMediaTypes **enum_media_types)
diff --git a/dlls/amstream/tests/amstream.c b/dlls/amstream/tests/amstream.c
index 03c8660a424..43da41ae89d 100644
--- a/dlls/amstream/tests/amstream.c
+++ b/dlls/amstream/tests/amstream.c
@@ -1989,7 +1989,7 @@ static void test_media_types(void)
     ok(!memcmp(pmt->pbFormat, &expect_wfx, pmt->cbFormat), "Format blocks didn't match.\n");
 
     hr = IPin_QueryAccept(pin, pmt);
-    todo_wine ok(hr == E_NOTIMPL, "Got hr %#x.\n", hr);
+    ok(hr == E_NOTIMPL, "Got hr %#x.\n", hr);
 
     CoTaskMemFree(pmt);