diff --git a/data/json/mapgen/urban_35_hospital.json b/data/json/mapgen/urban_35_hospital.json
index 86f25c5b8e47a..27029fbdbf836 100644
--- a/data/json/mapgen/urban_35_hospital.json
+++ b/data/json/mapgen/urban_35_hospital.json
@@ -57,7 +57,7 @@
         "................................................"
       ],
       "palettes": [ "hospital_2" ],
-      "terrain": { ".": "t_rock", "°": "t_wall_metal", ";": "t_door_metal_locked", "˽": "t_card_reader_broken", "-": "t_metal_floor" },
+      "terrain": { ".": "t_soil", "°": "t_wall_metal", ";": "t_door_metal_locked", "˽": "t_card_reader_broken", "-": "t_metal_floor" },
       "furniture": { "`": "f_dishwasher", "³": "f_rack" },
       "items": {
         "p": [