diff --git a/gst/rtpmux/gstrtpmux.c b/gst/rtpmux/gstrtpmux.c
index 675880a9ff..cf3f36ca1f 100644
--- a/gst/rtpmux/gstrtpmux.c
+++ b/gst/rtpmux/gstrtpmux.c
@@ -208,6 +208,7 @@ static gboolean gst_rtp_mux_src_event (GstPad * pad,
         gst_iterator_resync (iter);
         break;
       case GST_ITERATOR_ERROR:
+        GST_WARNING_OBJECT (rtp_mux, "Error iterating sinkpads");
       case GST_ITERATOR_DONE:
         done = TRUE;
         break;