diff --git a/code/game/objects/items/defib.dm b/code/game/objects/items/defib.dm
index 93ec8088..946b3cac 100644
--- a/code/game/objects/items/defib.dm
+++ b/code/game/objects/items/defib.dm
@@ -628,13 +628,12 @@
 						H.adjustOxyLoss(H.health - HALFWAYCRITDEATH, 0)
 					else
 						var/overall_damage = total_brute + total_burn + H.getToxLoss() + H.getOxyLoss()
-						if(!overall_damage)	//Avoid divide-by runtime
-							overall_damage = 1
-						var/mobhealth = H.health
-						H.adjustOxyLoss((mobhealth - HALFWAYCRITDEATH) * (H.getOxyLoss() / overall_damage), 0)
-						H.adjustToxLoss((mobhealth - HALFWAYCRITDEATH) * (H.getToxLoss() / overall_damage), 0)
-						H.adjustFireLoss((mobhealth - HALFWAYCRITDEATH) * (total_burn / overall_damage), 0)
-						H.adjustBruteLoss((mobhealth - HALFWAYCRITDEATH) * (total_brute / overall_damage), 0)
+						if(overall_damage)
+							var/mobhealth = H.health
+							H.adjustOxyLoss((mobhealth - HALFWAYCRITDEATH) * (H.getOxyLoss() / overall_damage), 0)
+							H.adjustToxLoss((mobhealth - HALFWAYCRITDEATH) * (H.getToxLoss() / overall_damage), 0)
+							H.adjustFireLoss((mobhealth - HALFWAYCRITDEATH) * (total_burn / overall_damage), 0)
+							H.adjustBruteLoss((mobhealth - HALFWAYCRITDEATH) * (total_brute / overall_damage), 0)
 					H.updatehealth() // Previous "adjust" procs don't update health, so we do it manually.
 					user.visible_message("<span class='notice'>[req_defib ? "[defib]" : "[src]"] pings: Resuscitation successful.</span>")
 					playsound(src, 'sound/machines/defib_success.ogg', 50, 0)