diff --git a/tests/cefclient/browser/osr_d3d11_win.cc b/tests/cefclient/browser/osr_d3d11_win.cc
index f4a1cd9af..ca23d0731 100644
--- a/tests/cefclient/browser/osr_d3d11_win.cc
+++ b/tests/cefclient/browser/osr_d3d11_win.cc
@@ -254,7 +254,7 @@ bool Texture2D::has_mutex() const {
 bool Texture2D::lock_key(uint64_t key, uint32_t timeout_ms) {
   if (keyed_mutex_) {
     const auto hr = keyed_mutex_->AcquireSync(key, timeout_ms);
-    return SUCCEEDED(hr);
+    return (hr == S_OK);
   }
   return true;
 }