diff --git a/code/game/objects/items/weapons/thurible.dm b/code/game/objects/items/weapons/thurible.dm
index bf1feabf93d..8c79b2cd0dc 100644
--- a/code/game/objects/items/weapons/thurible.dm
+++ b/code/game/objects/items/weapons/thurible.dm
@@ -164,11 +164,11 @@
 			var/mob/living/carbon/C = A
 			if(C.can_breathe_gas())
 				mobs_to_smoke += C
+	if(length(mobs_to_smoke))
+		var/percentage_to_add = released_reagents.reagents.total_volume / length(mobs_to_smoke) // Divide the amount of reagents spread around by the number of people inhaling it
 
-	var/percentage_to_add = released_reagents.reagents.total_volume / length(mobs_to_smoke) // Divide the amount of reagents spread around by the number of people inhaling it
-
-	for(var/mob/living/carbon/smoker as anything in mobs_to_smoke)
-		released_reagents.reagents.copy_to(smoker, percentage_to_add)
+		for(var/mob/living/carbon/smoker as anything in mobs_to_smoke)
+			released_reagents.reagents.copy_to(smoker, percentage_to_add)
 
 	if(reagents.total_volume <= 0)
 		put_out()