diff --git a/code/controllers/subsystem/icon_smooth.dm b/code/controllers/subsystem/icon_smooth.dm
index 568157baebb..46981d94914 100644
--- a/code/controllers/subsystem/icon_smooth.dm
+++ b/code/controllers/subsystem/icon_smooth.dm
@@ -13,6 +13,8 @@ var/datum/controller/subsystem/icon_smooth/SSicon_smooth
 	for(var/atom in smooth_queue)
 		ss_smooth_icon(atom)
 		smooth_queue -= atom
+		if (MC_TICK_CHECK)
+			return
 
 /datum/controller/subsystem/icon_smooth/Initialize()
 	smooth_zlevel(1,TRUE)