diff --git a/code/controllers/subsystem.dm b/code/controllers/subsystem.dm
index bd9a2aeafb..437c10424b 100644
--- a/code/controllers/subsystem.dm
+++ b/code/controllers/subsystem.dm
@@ -166,7 +166,7 @@
 
 
 
-	if(can_fire && !(SS_NO_FIRE in flags))
+	if(can_fire && !(SS_NO_FIRE & flags))
 		msg = "[round(cost,1)]ms|[round(tick_usage,1)]%|[round(ticks,0.1)]\t[msg]"
 	else
 		msg = "OFFLINE\t[msg]"