diff --git a/code/game/objects/items/weapons/melee/shock_maul.dm b/code/game/objects/items/weapons/melee/shock_maul.dm
index af57b4c18d4..bcbe102c5e6 100644
--- a/code/game/objects/items/weapons/melee/shock_maul.dm
+++ b/code/game/objects/items/weapons/melee/shock_maul.dm
@@ -47,8 +47,10 @@
 		wielded = 1
 		if(status)
 			force = initial(force)*charge_force_mult
+			armor_penetration *= charge_force_mult
 		else
 			force = initial(force)
+			armor_penetration = initial(armor_penetration)
 		launch_force = initial(launch_force)
 		weaken_force = initial(weaken_force)
 		name = "[initial(name)] (wielded)"
@@ -57,8 +59,10 @@
 		wielded = 0
 		if(status)
 			force = force_unwielded*charge_force_mult
+			armor_penetration *= charge_force_mult
 		else
 			force = force_unwielded
+			armor_penetration = initial(armor_penetration)
 		launch_force = launch_force_unwielded
 		weaken_force = weaken_force_unwielded
 		name = "[initial(name)]"
@@ -193,12 +197,10 @@
 			user.visible_message("<span class='warning'>[user] charges \the [src]!</span>","<span class='warning'>You charge \the [src]. <b>It's hammer time!</b></span>")
 			playsound(src, "sparks", 75, 1, -1)
 			update_held_icon()
-			armor_penetration *= charge_force_mult
 	else if(status)
 		status = 0
 		user.visible_message("<span class='notice'>[user] safely disengages \the [src]'s power field.</span>","<span class='notice'>\The [src] is now off.</span>")
 		update_held_icon()
-		armor_penetration = initial(armor_penetration)
 		playsound(src, "sparks", 75, 1, -1)
 		if(!bcell)
 			to_chat(user, "<span class='warning'>\The [src] does not have a power source!</span>")