diff --git a/dom/media/platforms/wmf/WMFAudioMFTManager.cpp b/dom/media/platforms/wmf/WMFAudioMFTManager.cpp
index 010ad5b35b5d..cc480d4f5fbd 100644
--- a/dom/media/platforms/wmf/WMFAudioMFTManager.cpp
+++ b/dom/media/platforms/wmf/WMFAudioMFTManager.cpp
@@ -312,3 +312,5 @@ WMFAudioMFTManager::Output(int64_t aStreamOffset, RefPtr<MediaData>& aOutData) {
 void WMFAudioMFTManager::Shutdown() { mDecoder = nullptr; }
 
 }  // namespace mozilla
+
+#undef LOG