1 files changed, 2 insertions, 2 deletions
diff --git a/indra/newview/llviewermedia.h b/indra/newview/llviewermedia.h
index c8780f1c10..5753615a43 100644
--- a/indra/newview/llviewermedia.h
+++ b/indra/newview/llviewermedia.h
@@ -182,7 +182,7 @@ private:
 
 // Implementation functions not exported into header file
 class LLViewerMediaImpl
-    :   public LLMouseHandler, public LLRefCount, public LLPluginClassMediaOwner, public LLViewerMediaEventEmitter, public LLEditMenuHandler
+    :   public LLMouseHandler, public LLThreadSafeRefCount, public LLPluginClassMediaOwner, public LLViewerMediaEventEmitter, public LLEditMenuHandler
 {
     LOG_CLASS(LLViewerMediaImpl);
 public:
@@ -432,7 +432,7 @@ private:
 private:
     // a single media url with some data and an impl.
     std::shared_ptr<LLPluginClassMedia> mMediaSource;
-    LLMutex mLock;
+    LLCoros::Mutex mLock;
     F64     mZoomFactor;
     LLUUID mTextureId;
     bool  mMovieImageHasMips;