diff --git a/gst/rtp/gstrtpg729depay.c b/gst/rtp/gstrtpg729depay.c
index 9910add1a9..8a9c9774bb 100644
--- a/gst/rtp/gstrtpg729depay.c
+++ b/gst/rtp/gstrtpg729depay.c
@@ -214,6 +214,7 @@ gst_rtp_g729_depay_process (GstRTPBaseDepayload * depayload, GstBuffer * buf)
 bad_packet:
   {
     /* no fatal error */
+    gst_rtp_buffer_unmap (&rtp);
     return NULL;
   }
 }