diff --git a/data/json/mapgen/outpost.json b/data/json/mapgen/outpost.json
index 22e82b5844681..2f1f9d3c82e9d 100644
--- a/data/json/mapgen/outpost.json
+++ b/data/json/mapgen/outpost.json
@@ -79,14 +79,7 @@
         { "monster": "mon_turret_searchlight", "x": 1, "y": 22 },
         { "monster": "mon_turret_searchlight", "x": 22, "y": 1 }
       ],
-      "monster": {
-        ".": [
-          { "monster": "mon_zombie_soldier", "chance": 2 },
-          { "monster": "mon_dispatch", "chance": 1 },
-          { "monster": "mon_dispatch_military", "chance": 1 },
-          { "monster": "mon_secubot", "chance": 5 }
-        ]
-      }
+      "monster": { ".": [ { "group": "GROUP_MIL_BASE", "chance": 9 } ] }
     }
   },
   {
@@ -210,14 +203,7 @@
         { "monster": "mon_turret_searchlight", "x": 1, "y": 22 },
         { "monster": "mon_turret_searchlight", "x": 22, "y": 1 }
       ],
-      "monster": {
-        ".": [
-          { "monster": "mon_zombie_soldier", "chance": 2 },
-          { "monster": "mon_dispatch", "chance": 1 },
-          { "monster": "mon_dispatch_military", "chance": 1 },
-          { "monster": "mon_secubot", "chance": 5 }
-        ]
-      }
+      "monster": { ".": [ { "group": "GROUP_MIL_BASE", "chance": 9 } ] }
     }
   },
   {