diff --git a/dlls/dmcompos/tests/dmcompos.c b/dlls/dmcompos/tests/dmcompos.c
index aaaa4acc209..16dc75e63f6 100644
--- a/dlls/dmcompos/tests/dmcompos.c
+++ b/dlls/dmcompos/tests/dmcompos.c
@@ -218,7 +218,7 @@ static void test_COM_track(void)
         ok(hr == S_OK, "QueryInterface for IID_IPersistStream failed: %08x\n", hr);
         refcount = IPersistStream_AddRef(ps);
         ok(refcount == 4, "refcount == %u, expected 4\n", refcount);
-        refcount = IPersistStream_Release(ps);
+        IPersistStream_Release(ps);
 
         hr = IDirectMusicTrack8_QueryInterface(dmt8, &IID_IUnknown, (void**)&unk);
         ok(hr == S_OK, "QueryInterface for IID_IUnknown failed: %08x\n", hr);