Index: trunk/data/validator/combinations.mapcss
===================================================================
--- trunk/data/validator/combinations.mapcss	(revision 6645)
+++ trunk/data/validator/combinations.mapcss	(revision 6758)
@@ -42,5 +42,4 @@
 *[workrules                    ][!railway],
 *[stream                       ][!waterway],
-*[intermittent                 ][!waterway],
 *[length_unit                  ][!waterway],
 *[llid                         ][!waterway],
@@ -109,5 +108,6 @@
 *[segregated                   ][!highway][railway=crossing],
 *[toll                         ][!highway][route!=ferry],
-*[boat                         ][!waterway][natural!=water][natural != water] {
+*[boat                         ][!waterway][natural!=water],
+*[intermittent                 ][!waterway][natural!=water] {
   throwWarning: tr("{0} without {1} or {2}", "{0.key}", "{1.key}", "{2.tag}");
 }