diff --git a/code/_core/obj/item/weapon/ranged/spellgem/_spellgem.dm b/code/_core/obj/item/weapon/ranged/spellgem/_spellgem.dm
index d67ad9b01..71ea47ae0 100644
--- a/code/_core/obj/item/weapon/ranged/spellgem/_spellgem.dm
+++ b/code/_core/obj/item/weapon/ranged/spellgem/_spellgem.dm
@@ -47,6 +47,8 @@
 	if(!istype(src.loc,/obj/item/weapon/ranged/wand))
 		return FALSE
 
+	attachment_stats["mana_cost_multiplier"] = 1
+
 	var/obj/item/weapon/ranged/wand/W = src.loc
 
 	for(var/g in W.socketed_supportgems)
@@ -99,7 +101,6 @@
 
 /obj/item/weapon/ranged/spellgem/pre_shoot(var/mob/caller,var/atom/object,location,params,var/damage_multiplier=1)
 
-
 	. = ..()
 
 	if(. && caller.health)
@@ -109,8 +110,7 @@
 
 		if(is_living(caller))
 			var/mob/living/L = caller
-			final_mana_cost *= 1 / (1+L.get_skill_power(casting_type)*3) //Up to 25% reduction at level 100.
-
+			final_mana_cost *= 1 - L.get_skill_power(casting_type,0,1,2)*0.25 //Up to 25% reduction at level 100. Level 200 is 50%
 		if(final_mana_cost > caller.health.mana_current)
 			caller.to_chat(span("warning","You try to push with all your mana, but the spell fizzles!"))
 			return FALSE //Fail