diff --git a/code/modules/vehicles/mecha/mecha_defense.dm b/code/modules/vehicles/mecha/mecha_defense.dm
index 39a1b74709..78b4c7b441 100644
--- a/code/modules/vehicles/mecha/mecha_defense.dm
+++ b/code/modules/vehicles/mecha/mecha_defense.dm
@@ -147,8 +147,8 @@
 	if (. & EMP_PROTECT_SELF)
 		return
 	if(get_charge())
-		use_power((cell.charge/3)/(severity*2))
-		take_damage(30 / severity, BURN, ENERGY, 1)
+		use_power((cell.charge/3)*(severity*0.005))
+		take_damage(severity/3, BURN, ENERGY, 1)
 	log_message("EMP detected", LOG_MECHA, color="red")
 
 	if(istype(src, /obj/vehicle/sealed/mecha/combat))