Index: /trunk/src/org/openstreetmap/josm/data/validation/tests/Highways.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/data/validation/tests/Highways.java	(revision 18283)
+++ /trunk/src/org/openstreetmap/josm/data/validation/tests/Highways.java	(revision 18284)
@@ -213,5 +213,5 @@
         carsWays = 0;
 
-        if (n.hasTag("highway","crossing") && !n.hasKey("crossing"))
+        if (n.hasTag("highway", "crossing") && !n.hasKey("crossing"))
             return; // see #20905 handled by mapcss test