Index: trunk/data/validator/combinations.mapcss
===================================================================
--- trunk/data/validator/combinations.mapcss	(revision 8546)
+++ trunk/data/validator/combinations.mapcss	(revision 8559)
@@ -237,5 +237,5 @@
 
 way[highway][barrier],
-*[highway][waterway][waterway!=dam],
+*[highway][waterway][waterway!=dam][waterway!=weir],
 way[highway][natural],
 *[landuse][building] {