diff --git a/data/visibility.txt b/data/visibility.txt
index f49e7b5399..9eac6717e0 100644
--- a/data/visibility.txt
+++ b/data/visibility.txt
@@ -130,8 +130,8 @@ world  000000000000000000  +
         national_park  000000001111111111  -
         {}
     building  000000000000000111  +
-	entrance  000000000000000001  -
-	{}
+        entrance  000000000000000001  -
+        {}
     communication  000000000000000000  +
         line  000000000000000011  +
             [location]  000000000000000000  -