diff --git a/code/game/objects/items/devices/lightreplacer.dm b/code/game/objects/items/devices/lightreplacer.dm
index 2c2155abbcd..8d51924a7c8 100644
--- a/code/game/objects/items/devices/lightreplacer.dm
+++ b/code/game/objects/items/devices/lightreplacer.dm
@@ -48,7 +48,7 @@
 	item_state = "electronic"
 	lefthand_file = 'icons/mob/inhands/misc/devices_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/misc/devices_righthand.dmi'
-
+	w_class = WEIGHT_CLASS_SMALL
 	flags_1 = CONDUCT_1
 	slot_flags = ITEM_SLOT_BELT
 	force = 8
diff --git a/code/game/objects/items/storage/belt.dm b/code/game/objects/items/storage/belt.dm
index c5fe5955d2d..58ba069a3f4 100644
--- a/code/game/objects/items/storage/belt.dm
+++ b/code/game/objects/items/storage/belt.dm
@@ -61,7 +61,8 @@
 		/obj/item/holosign_creator/atmos,
 		/obj/item/holosign_creator/engineering,
 		/obj/item/forcefield_projector,
-		/obj/item/assembly/signaler
+		/obj/item/assembly/signaler,
+		/obj/item/lightreplacer
 		))
 	STR.can_hold = can_hold
 
diff --git a/code/modules/research/designs/power_designs.dm b/code/modules/research/designs/power_designs.dm
index e1648559a79..7ed2b6b6b9c 100644
--- a/code/modules/research/designs/power_designs.dm
+++ b/code/modules/research/designs/power_designs.dm
@@ -65,7 +65,7 @@
 	materials = list(MAT_METAL = 1500, MAT_SILVER = 150, MAT_GLASS = 3000)
 	build_path = /obj/item/lightreplacer
 	category = list("Power Designs")
-	departmental_flags = DEPARTMENTAL_FLAG_SERVICE
+	departmental_flags = DEPARTMENTAL_FLAG_SERVICE | DEPARTMENTAL_FLAG_ENGINEERING
 
 /datum/design/inducer
 	name = "Inducer"