diff --git a/gst/rtp/gstrtpgstdepay.c b/gst/rtp/gstrtpgstdepay.c
index 9bc5d45b22..d9220ac663 100644
--- a/gst/rtp/gstrtpgstdepay.c
+++ b/gst/rtp/gstrtpgstdepay.c
@@ -294,6 +294,7 @@ too_small:
 unknown_event:
   {
     GST_DEBUG_OBJECT (rtpgstdepay, "unknown event type");
+    gst_structure_free (s);
     return NULL;
   }
 }