diff --git a/src/engines/gstengine.cpp b/src/engines/gstengine.cpp
index 2c04e23a9..51798253d 100755
--- a/src/engines/gstengine.cpp
+++ b/src/engines/gstengine.cpp
@@ -317,8 +317,6 @@ void GstEngine::UpdateScope(int chunk_length) {
   memcpy(dest, source, bytes);
 
   gst_buffer_unmap(latest_buffer_, &map);
-  gst_buffer_unref(latest_buffer_);
-  latest_buffer_ = NULL;
 }
 
 void GstEngine::StartPreloading(const QUrl& url, bool force_stop_at_end,