diff --git a/modular_skyrat/master_files/code/game/objects/items/tools/weldingtool.dm b/modular_skyrat/master_files/code/game/objects/items/tools/weldingtool.dm
index 5ae73147136..563e95e68e8 100644
--- a/modular_skyrat/master_files/code/game/objects/items/tools/weldingtool.dm
+++ b/modular_skyrat/master_files/code/game/objects/items/tools/weldingtool.dm
@@ -1,13 +1,7 @@
 /obj/item/weldingtool/Initialize(mapload)
 	. = ..()
-	RegisterSignals(reagents,
-		list(
-			COMSIG_REAGENTS_ADD_REAGENT,
-			COMSIG_REAGENTS_NEW_REAGENT,
-			COMSIG_REAGENTS_REM_REAGENT,
-			COMSIG_REAGENTS_DEL_REAGENT,
-			COMSIG_REAGENTS_CLEAR_REAGENTS,
-			COMSIG_REAGENTS_REACTED,),
+	RegisterSignal(reagents,
+		COMSIG_REAGENTS_HOLDER_UPDATED,
 		PROC_REF(update_ammo_hud))
 
 /obj/item/weldingtool/set_welding(new_value)