--- a/media/mtransport/nr_socket_prsock.cpp
+++ b/media/mtransport/nr_socket_prsock.cpp
@@ -247,17 +247,17 @@ private:
   nsCOMPtr<nsIThread> mParentThread;
   nsCOMPtr<nsIThread> mThread;
 };
 
 static StaticRefPtr<SingletonThreadHolder> sThread;
 
 static void ClearSingletonOnShutdown()
 {
-  ClearOnShutdown(&sThread, ShutdownPhase::ShutdownThreads);
+  ClearOnShutdown(&sThread, ShutdownPhase::ShutdownLoaders);
 }
 #endif
 
 static nsIThread* GetIOThreadAndAddUse_s()
 {
   // Always runs on STS thread!
 #if defined(MOZILLA_INTERNAL_API)
   // We need to safely release this on shutdown to avoid leaks