diff --git a/data/json/mapgen/refugee_center/z1_refugee_center.json b/data/json/mapgen/refugee_center/z1_refugee_center.json
index e422ef601fc93..0f61d8569c473 100644
--- a/data/json/mapgen/refugee_center/z1_refugee_center.json
+++ b/data/json/mapgen/refugee_center/z1_refugee_center.json
@@ -54,10 +54,10 @@
         "            -.............................................-             ",
         "            -.............................................-             ",
         "            -.............................................-             ",
-        "            -..........WWWWW.......&.......WWWWW..........-             ",
-        "            -..........W_l_W...............W_l_W..........-             ",
-        "            -..........W>__W...............W__>W..........-             ",
-        "            -..........WW+WW...............WW+WW..........-             ",
+        "            -..........|||||.......&.......|||||..........-             ",
+        "            -..........|_l_|...............|_l_|..........-             ",
+        "            -..........|>__|...............|__>|..........-             ",
+        "            -..........||+||...............||+||..........-             ",
         "            -.............................................-             ",
         "            -......................Я......................-             ",
         "            -.............................................-             ",
@@ -69,7 +69,7 @@
         "           5-.............................................-5            "
       ],
       "palettes": [ "roof_palette" ],
-      "terrain": { "W": "t_brick_wall", "_": "t_thconc_floor", "l": "t_thconc_floor_olight", "+": "t_door_metal_locked" }
+      "terrain": { "|": "t_brick_wall", "_": "t_thconc_floor", "l": "t_thconc_floor_olight", "+": "t_door_metal_locked" }
     }
   },
   {