diff --git a/data/json/mapgen/bike_shop.json b/data/json/mapgen/bike_shop.json
index ca7e8199e5cee..ab84d9824e71b 100644
--- a/data/json/mapgen/bike_shop.json
+++ b/data/json/mapgen/bike_shop.json
@@ -187,5 +187,40 @@
         }
       ]
     }
+  },
+  {
+    "type": "mapgen",
+    "method": "json",
+    "om_terrain": "s_bike_shop_roof_1_shack_roof",
+    "object": {
+      "fill_ter": "t_flat_roof",
+      "rows": [
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "        -----           ",
+        "        -...-           ",
+        "        -...-           ",
+        "        -----           ",
+        "                        "
+      ],
+      "palettes": [ "roof_palette" ]
+    }
   }
 ]
diff --git a/data/json/overmap/multitile_city_buildings.json b/data/json/overmap/multitile_city_buildings.json
index b7c478e5af04f..ba79d17464e1b 100644
--- a/data/json/overmap/multitile_city_buildings.json
+++ b/data/json/overmap/multitile_city_buildings.json
@@ -4338,7 +4338,8 @@
     "locations": [ "land" ],
     "overmaps": [
       { "point": [ 0, 0, 0 ], "overmap": "s_bike_shop_1_north" },
-      { "point": [ 0, 0, 1 ], "overmap": "s_bike_shop_roof_1_north" }
+      { "point": [ 0, 0, 1 ], "overmap": "s_bike_shop_roof_1_north" },
+      { "point": [ 0, 0, 2 ], "overmap": "s_bike_shop_roof_1_shack_roof_north" }
     ]
   },
   {
diff --git a/data/json/overmap/overmap_terrain/overmap_terrain_commercial.json b/data/json/overmap/overmap_terrain/overmap_terrain_commercial.json
index 8c0f650601e0a..e0a4d8f35b9d7 100644
--- a/data/json/overmap/overmap_terrain/overmap_terrain_commercial.json
+++ b/data/json/overmap/overmap_terrain/overmap_terrain_commercial.json
@@ -557,7 +557,7 @@
   },
   {
     "type": "overmap_terrain",
-    "id": [ "s_bike_shop_roof", "s_bike_shop_roof_1" ],
+    "id": [ "s_bike_shop_roof", "s_bike_shop_roof_1", "s_bike_shop_roof_1_shack_roof" ],
     "copy-from": "generic_city_building",
     "looks_like": "s_bike_shop_roof",
     "name": "bike shop roof",