diff --git a/code/modules/mining/machine_redemption.dm b/code/modules/mining/machine_redemption.dm
index c622899260f..8bcc8f0e615 100644
--- a/code/modules/mining/machine_redemption.dm
+++ b/code/modules/mining/machine_redemption.dm
@@ -135,18 +135,13 @@
 	return ..()
 
 /obj/machinery/mineral/ore_redemption/RefreshParts()
-	var/P = 1
-	var/S = 1
-	for(var/sp in component_parts)
-		var/obj/item/stock_parts/SP = sp
-		if(!istype(SP))
-			continue
-		switch(SP.type)
-			if(/obj/item/stock_parts/micro_laser)
-				P = BASE_POINT_MULT + (POINT_MULT_ADD_PER_RATING * SP.rating)
-			if(/obj/item/stock_parts/matter_bin)
-				S = BASE_SHEET_MULT + (SHEET_MULT_ADD_PER_RATING * SP.rating)
-			// Manipulators do nothing
+	var/P = BASE_POINT_MULT
+	var/S = BASE_SHEET_MULT
+	for(var/obj/item/stock_parts/micro_laser/M in component_parts)
+		P += POINT_MULT_ADD_PER_RATING * M.rating
+	for(var/obj/item/stock_parts/matter_bin/M in component_parts)
+		S += SHEET_MULT_ADD_PER_RATING * M.rating
+		// Manipulators do nothing
 	// Update our values
 	point_upgrade = P
 	sheet_per_ore = S