Index: trunk/data/validator/geometry.mapcss
===================================================================
--- trunk/data/validator/geometry.mapcss	(revision 15312)
+++ trunk/data/validator/geometry.mapcss	(revision 15413)
@@ -337,6 +337,6 @@
 }
 
-/* #12646, #12992 */
-way[waterway=~/^(stream|ditch|river|drain)$/]!:closed >[index=-1] node[natural!=sinkhole][natural!=cave_entrance]!:connection:in-downloaded-area { 
+/* #12646, #12992, #16334 */
+way[waterway=~/^(stream|river|drain)$/]!:closed >[index=-1] node[natural!=sinkhole][natural!=cave_entrance]!:connection:in-downloaded-area { 
   throwWarning: tr("Waterway ends without a connection to another waterway or the direction of the waterway is wrong.");
 }