Index: trunk/src/org/openstreetmap/josm/data/osm/OsmPrimitive.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/osm/OsmPrimitive.java	(revision 15534)
+++ trunk/src/org/openstreetmap/josm/data/osm/OsmPrimitive.java	(revision 15535)
@@ -72,5 +72,5 @@
                 "(aerialway=j-bar & -oneway=no) | "+
                 "(aerialway=platter & -oneway=no) | "+
-                "waterway=stream | waterway=river | waterway=ditch | waterway=drain | "+
+                "waterway=stream | waterway=river | waterway=ditch | waterway=drain | waterway=tidal_channel | "+
                 "(\"piste:type\"=downhill & -area=yes) | (\"piste:type\"=sled & -area=yes) | (man_made=\"piste:halfpipe\" & -area=yes) | "+
                 "junction=circular | junction=roundabout | (highway=motorway & -oneway=no & -oneway=reversible) | "+