diff --git a/code/game/objects/items/stacks/stack.dm b/code/game/objects/items/stacks/stack.dm
index d1c629f2856..a3e8959f9a8 100644
--- a/code/game/objects/items/stacks/stack.dm
+++ b/code/game/objects/items/stacks/stack.dm
@@ -201,7 +201,7 @@
 		usr << "You add new [item.singular_name] to the stack. It now contains [item.amount] [item.singular_name]\s."
 		if(oldsrc.amount <= 0)
 			break
-	update_icon()
+	oldsrc.update_icon()
 
 /obj/item/stack/attack_hand(mob/user as mob)
 	if (user.get_inactive_hand() == src)