diff --git a/code/game/objects/items/weapons/storage/backpack_vr.dm b/code/game/objects/items/weapons/storage/backpack_vr.dm
index de305d11ada..b14fbf5ff0a 100644
--- a/code/game/objects/items/weapons/storage/backpack_vr.dm
+++ b/code/game/objects/items/weapons/storage/backpack_vr.dm
@@ -134,3 +134,6 @@
 	sprite_sheets = list(
 		SPECIES_TESHARI = 'icons/mob/species/seromi/back.dmi',
 		SPECIES_WEREBEAST = 'icons/mob/species/werebeast/back.dmi')
+
+/obj/item/weapon/storage/backpack/ert
+	max_storage_space = INVENTORY_DUFFLEBAG_SPACE