diff --git a/code/game/gamemodes/miniantags/borer/borer_event.dm b/code/game/gamemodes/miniantags/borer/borer_event.dm
index 7d74a065aa..6875a97db5 100644
--- a/code/game/gamemodes/miniantags/borer/borer_event.dm
+++ b/code/game/gamemodes/miniantags/borer/borer_event.dm
@@ -26,7 +26,7 @@
 	for(var/obj/machinery/atmospherics/components/unary/vent_pump/temp_vent in GLOB.machines)
 		if(QDELETED(temp_vent))
 			continue
-		if(temp_vent.loc.z == ZLEVEL_STATION && !temp_vent.welded)
+		if(temp_vent.loc.z == ZLEVEL_STATION_PRIMARY && !temp_vent.welded)
 			var/datum/pipeline/temp_vent_parent = temp_vent.PARENT1
 			if(temp_vent_parent.other_atmosmch.len > 20)
 				vents += temp_vent