diff --git a/code/game/objects/items/robot/robot_parts.dm b/code/game/objects/items/robot/robot_parts.dm
index 38d1e025e46..a00156fcb76 100644
--- a/code/game/objects/items/robot/robot_parts.dm
+++ b/code/game/objects/items/robot/robot_parts.dm
@@ -87,6 +87,7 @@
 	name = "endoskeleton"
 	desc = "A complex metal backbone with standard limb sockets and pseudomuscle anchors."
 	icon_state = "robo_suit"
+	w_class = WEIGHT_CLASS_BULKY
 	model_info = null
 	var/obj/item/robot_parts/l_arm/l_arm = null
 	var/obj/item/robot_parts/r_arm/r_arm = null