diff --git a/data/json/mapgen/city_blocks/city_block_2.json b/data/json/mapgen/city_blocks/city_block_2.json
index f800c4ee6f4d..cdfa9fd3c3b1 100644
--- a/data/json/mapgen/city_blocks/city_block_2.json
+++ b/data/json/mapgen/city_blocks/city_block_2.json
@@ -208,7 +208,7 @@
         "                                                                                                "
       ],
       "palettes": [ "roof_palette" ],
-      "terrain": { ">": "t_stairs_down" },
+      "terrain": { ">": "t_ladder_down" },
       "nested": {
         "E": {
           "chunks": [