Index: trunk/data/validator/combinations.mapcss
===================================================================
--- trunk/data/validator/combinations.mapcss	(revision 11428)
+++ trunk/data/validator/combinations.mapcss	(revision 11429)
@@ -323,5 +323,5 @@
 way[highway][barrier],
 *[highway][waterway][waterway!=dam][waterway!=weir],
-way[highway][natural],
+way[highway][natural][natural!=ridge],
 *[landuse][building] {
   throwWarning: tr("{0} together with {1}", "{0.key}", "{1.key}");