diff --git a/data/json/items/tool_armor.json b/data/json/items/tool_armor.json
index eeb2a761ba981..7feadea811a29 100644
--- a/data/json/items/tool_armor.json
+++ b/data/json/items/tool_armor.json
@@ -894,8 +894,8 @@
       {
         "pocket_type": "MAGAZINE_WELL",
         "rigid": true,
-        "flag_restriction": [ "BATTERY_LIGHT", "BATTERY_ULTRA_LIGHT" ],
-        "default_magazine": "light_battery_cell"
+        "flag_restriction": [ "BATTERY_MEDIUM" ],
+        "default_magazine": "medium_battery_cell"
       }
     ],
     "armor": [ { "coverage": 45, "covers": [ "head" ], "specifically_covers": [ "head_crown", "head_forehead" ] } ],