diff --git a/tests/check/elements/rtprtx.c b/tests/check/elements/rtprtx.c
index c5c8a88ba6..40e4a9527e 100644
--- a/tests/check/elements/rtprtx.c
+++ b/tests/check/elements/rtprtx.c
@@ -785,6 +785,7 @@ rtprtxreceive_srcpad_probe_multiple (GstPad * pad, GstPadProbeInfo * info,
           GUINT_TO_POINTER (ssrc), GUINT_TO_POINTER (seqnum));
       g_hash_table_insert (rtxdata->ssrc_to_nb_packets_map,
           GUINT_TO_POINTER (ssrc), GUINT_TO_POINTER (1));
+      gst_rtp_buffer_unmap (&rtp);
       return GST_PAD_PROBE_OK;
     }