diff --git a/main/features.c b/main/features.c
index 94161626e0..b1b6e84091 100644
--- a/main/features.c
+++ b/main/features.c
@@ -614,7 +614,8 @@ static int masq_park_call(struct ast_channel *rchan, struct ast_channel *peer, i
 	int park_status;
 
 	if ((pu = park_space_reserve(rchan)) == NULL) {
-		ast_stream_and_wait(peer, "beeperr", "");
+		if (peer)
+			ast_stream_and_wait(peer, "beeperr", "");
 		return FEATURE_RETURN_PARKFAILED;
 	}