diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index b7f6cbf293..f1954360be 100644
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -4793,7 +4793,7 @@ static int send_apathetic_reply(unsigned short callno, unsigned short dcallno,
 	}
 
 	data.f.scallno = htons(0x8000 | callno);
-	data.f.dcallno = htons(dcallno);
+	data.f.dcallno = htons(dcallno & ~IAX_FLAG_RETRANS);
 	data.f.ts = htonl(ts);
 	data.f.iseqno = seqno;
 	data.f.oseqno = 0;