Centcomm is on Z1

code/modules/events/wizard/curseditems.dm

@@ -38,7 +38,7 @@
 			ruins_wizard_loadout = 1
 
 	for(var/mob/living/carbon/human/H in GLOB.living_mob_list)
-		if(ruins_spaceworthiness && (H.z != 1 || isspaceturf(H.loc) || isplasmaman(H)))
+		if(ruins_spaceworthiness && (H.z != ZLEVEL_STATION || isspaceturf(H.loc) || isplasmaman(H)))
 			continue	//#savetheminers
 		if(ruins_wizard_loadout && H.mind && ((H.mind in SSticker.mode.wizards) || (H.mind in SSticker.mode.apprentices)))
 			continue

code/modules/events/wizard/shuffle.dm

@@ -13,7 +13,7 @@
 	var/list/mobs	 = list()
 
 	for(var/mob/living/carbon/human/H in GLOB.living_mob_list)
-		if(H.z != 1)
+		if(H.z != ZLEVEL_STATION)
 			continue //lets not try to strand people in space or stuck in the wizards den
 		moblocs += H.loc
 		mobs += H