From 3f6ee98acc6c6dc0fbf10236be70cd81e5814a23 Mon Sep 17 00:00:00 2001
From: ESwordTheCat <ESwordTheCat@plea.se>
Date: Wed, 23 Apr 2014 17:28:43 +0800
Subject: [PATCH] Don't add a radio if it's exist on the list.

---
 code/__HELPERS/game.dm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/code/__HELPERS/game.dm b/code/__HELPERS/game.dm
index 36f5b125398..91ce8394d86 100644
--- a/code/__HELPERS/game.dm
+++ b/code/__HELPERS/game.dm
@@ -196,7 +196,7 @@
 			listeners += M
 			listeners = recursive_mob_check(A, listeners, 3, 1, 0, 1)
 		else if(istype(A, /obj/item/device/radio))
-			listeners += A
+			listeners |= A
 
 	// Don't include if the player is not connected.
 	for (var/mob/Mob in listeners)