diff --git a/code/game/objects/items/weapons/storage/backpack.dm b/code/game/objects/items/weapons/storage/backpack.dm
index 887a5b2aaa5..8f1f4b8e276 100644
--- a/code/game/objects/items/weapons/storage/backpack.dm
+++ b/code/game/objects/items/weapons/storage/backpack.dm
@@ -38,6 +38,7 @@
 	max_w_class = WEIGHT_CLASS_HUGE
 	max_combined_w_class = 35
 	burn_state = FIRE_PROOF
+	cant_hold = list(/obj/item/weapon/storage/backpack/holding)
 
 /obj/item/weapon/storage/backpack/holding/New()
 	..()