diff --git a/sys/uvch264/gstuvch264_mjpgdemux.c b/sys/uvch264/gstuvch264_mjpgdemux.c
index dfb07758d1..cb2ea2be11 100644
--- a/sys/uvch264/gstuvch264_mjpgdemux.c
+++ b/sys/uvch264/gstuvch264_mjpgdemux.c
@@ -711,6 +711,8 @@ done:
   if (jpeg_buf)
     gst_buffer_unref (jpeg_buf);
 
+  gst_buffer_unmap (buf, &info);
+
   /* We must always unref the input buffer since we never push it out */
   gst_buffer_unref (buf);