diff --git a/media/libstagefright/omx/OMXNodeInstance.cpp b/media/libstagefright/omx/OMXNodeInstance.cpp
index d0f64ca..db99ef2 100644
--- a/media/libstagefright/omx/OMXNodeInstance.cpp
+++ b/media/libstagefright/omx/OMXNodeInstance.cpp
@@ -1861,7 +1861,7 @@
 }
 
 void OMXNodeInstance::codecBufferFilled(omx_message &msg) {
-    Mutex::Autolock autoLock(mBufferIDLock);
+    Mutex::Autolock autoLock(mLock);
 
     if (mMaxTimestampGapUs <= 0ll || mRestorePtsFailed) {
         return;