diff --git a/data/visibility.txt b/data/visibility.txt
index 65fe2c6a6a..a9445c1cce 100644
--- a/data/visibility.txt
+++ b/data/visibility.txt
@@ -851,17 +851,17 @@ world  000000000000000000  +
         t-bar  000000000000001111  -
         {}
     piste:type  000000000000000000  +
-        downhill  000000000000011111  +
+        downhill  000000000000000000  +
             [piste:difficulty]  000000000000000000  -
-            advanced  000000000000011111  -
-            easy  000000000000011111  -
-            expert  000000000000011111  -
-            freeride  000000000000011111  -
-            intermediate  000000000000011111  -
-            novice  000000000000011111  -
+            advanced  000000000000000000  -
+            easy  000000000000000000  -
+            expert  000000000000000000  -
+            freeride  000000000000000000  -
+            intermediate  000000000000000000  -
+            novice  000000000000000000  -
             {}
-        nordic  000000000000011111  -
-        sled  000000000000011111  -
+        nordic  000000000000000000  -
+        sled  000000000000000000  -
         {}
     place  000000000000000000  +
         city  000000111111111000  +