diff --git a/code/game/machinery/computer/prisoner.dm b/code/game/machinery/computer/prisoner.dm
index 3d0235fab9..1b34283d14 100644
--- a/code/game/machinery/computer/prisoner.dm
+++ b/code/game/machinery/computer/prisoner.dm
@@ -31,7 +31,7 @@
 			var/turf/Tr = null
 			for(var/obj/item/weapon/implant/chem/C in world)
 				Tr = get_turf(C)
-				if((Tr) && (Tr.z != src.z))	continue//Out of range
+				if(!Tr)	continue//Out of range
 				if(!C.implanted) continue
 				dat += "[C.imp_in.name] | Remaining Units: [C.reagents.total_volume] | Inject: "
 				dat += "<A href='?src=\ref[src];inject1=\ref[C]'>(<font color=red>(1)</font>)</A>"
@@ -41,7 +41,7 @@
 			dat += "<HR>Tracking Implants<BR>"
 			for(var/obj/item/weapon/implant/tracking/T in world)
 				Tr = get_turf(T)
-				if((Tr) && (Tr.z != src.z))	continue//Out of range
+				if(!Tr) continue//Out of range
 				if(!T.implanted) continue
 				var/loc_display = "Unknown"
 				var/mob/living/carbon/M = T.imp_in