diff --git a/data/json/mapgen/house/house38.json b/data/json/mapgen/house/house38.json
index 00e8ca20f2c40..839798d88bb26 100644
--- a/data/json/mapgen/house/house38.json
+++ b/data/json/mapgen/house/house38.json
@@ -21,7 +21,7 @@
         ".#    |    rrT |6___1#..",
         ".o   d|     h   ____O#..",
         ".#b   |   EsE   ____2#..",
-        ".o @@ |H      y|F'453#..",
+        ".o @@ |H      y|F_453#..",
         ".#¤@@¤|H  l   x##*#o##..",
         ".##oo##H  l   a#~~~~~$..",
         "...%%^#H   E  x#~~~óó$..",