Index: trunk/data/validator/combinations.mapcss
===================================================================
--- trunk/data/validator/combinations.mapcss	(revision 15419)
+++ trunk/data/validator/combinations.mapcss	(revision 15433)
@@ -94,4 +94,5 @@
 
 /* {0.key} without {1.tag}, #17997 */
+node[railway:switch            ][railway!=switch],
 *[generator:source             ][power!=generator],
 *[generator:method             ][power!=generator],