diff --git a/dlls/urlmon/tests/url.c b/dlls/urlmon/tests/url.c
index 586112742f9..3d103239702 100644
--- a/dlls/urlmon/tests/url.c
+++ b/dlls/urlmon/tests/url.c
@@ -764,7 +764,7 @@ static HRESULT WINAPI Protocol_Start(IInternetProtocol *iface, LPCWSTR szUrl,
         }
         IHttpNegotiate2_Release(http_negotiate2);
         ok(hres == E_FAIL, "GetRootSecurityId failed: %08x, expected E_FAIL\n", hres);
-        ok(size == no_callback ? 512 : 13, "size=%d\n", size);
+        ok(size == (no_callback ? 512 : 13), "size=%d\n", size);
 
         if(!no_callback) {
             SET_EXPECT(QueryService_IHttpSecurity);