diff --git a/code/game/objects/items/storage/filled_guncases.dm b/code/game/objects/items/storage/filled_guncases.dm
index 91c5d9d7f02c..738670534bb5 100644
--- a/code/game/objects/items/storage/filled_guncases.dm
+++ b/code/game/objects/items/storage/filled_guncases.dm
@@ -60,6 +60,7 @@
 
 /obj/item/storage/guncase/pistol/viper
 	gun_type = /obj/item/gun/ballistic/revolver/viper/indie
+	mag_type = /obj/item/ammo_box/a357/empty
 
 /obj/item/storage/guncase/pistol/ringneck
 	gun_type = /obj/item/gun/ballistic/automatic/pistol/ringneck/indie