diff --git a/data/json/monster_special_attacks/monster_gun.json b/data/json/monster_special_attacks/monster_gun.json
index 4a62386db879a..e1a50eb3faede 100644
--- a/data/json/monster_special_attacks/monster_gun.json
+++ b/data/json/monster_special_attacks/monster_gun.json
@@ -120,7 +120,7 @@
       "RELOAD_AND_SHOOT"
     ],
     "skill": "pistol",
-    "ammo": [ "barb" ],
+    "ammo": [ "gene_sting" ],
     "clip_size": 1,
     "weight": "540 g",
     "volume": "750 ml",