diff --git a/net/sctp/inqueue.c b/net/sctp/inqueue.c
index 147d975..8fc773f 100644
--- a/net/sctp/inqueue.c
+++ b/net/sctp/inqueue.c
@@ -224,6 +224,7 @@
 				*head_cb = SCTP_INPUT_CB(chunk->head_skb);
 
 			cb->chunk = head_cb->chunk;
+			cb->af = head_cb->af;
 		}
 	}