diff --git a/C2VDAComponent.cpp b/C2VDAComponent.cpp
index 5283f83..86639e8 100644
--- a/C2VDAComponent.cpp
+++ b/C2VDAComponent.cpp
@@ -581,9 +581,8 @@
         mVDAAdaptor.reset(nullptr);
     }
 
-    mGraphicBlocks.clear();
-
     stopDequeueThread();
+    mGraphicBlocks.clear();
 
     mStopDoneEvent->Signal();
     mStopDoneEvent = nullptr;