--- a/dom/media/MediaStreamGraph.cpp
+++ b/dom/media/MediaStreamGraph.cpp
@@ -4004,17 +4004,17 @@ MediaStreamGraph::ApplyAudioContextOpera
     }
     void Run() override
     {
       mStream->GraphImpl()->ApplyAudioContextOperationImpl(mStream,
         mStreams, mAudioContextOperation, mPromise);
     }
     void RunDuringShutdown() override
     {
-      MOZ_ASSERT(false, "We should be reviving the graph?");
+      MOZ_ASSERT(aOperation == AudioContextOperation::Close, "We should be reviving the graph?");
     }
 
   private:
     // We don't need strong references here for the same reason ControlMessage
     // doesn't.
     nsTArray<MediaStream*> mStreams;
     AudioContextOperation mAudioContextOperation;
     void* mPromise;