diff --git a/src/stream.c b/src/stream.c
index 14060b2e9de0..497e1d83f54d 100644
--- a/src/stream.c
+++ b/src/stream.c
@@ -2296,7 +2296,7 @@ struct task *process_stream(struct task *t, void *context, unsigned int state)
 				if (s->be->options & PR_O_ABRT_CLOSE) {
 					struct connection *conn = sc_conn(scf);
 
-					if (conn)
+					if (conn && conn->mux && conn->mux->ctl)
 						conn->mux->ctl(conn, MUX_SUBS_RECV, NULL);
 				}
 			}