Index: trunk/src/org/openstreetmap/josm/data/osm/search/SearchCompiler.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/osm/search/SearchCompiler.java	(revision 18851)
+++ trunk/src/org/openstreetmap/josm/data/osm/search/SearchCompiler.java	(revision 18852)
@@ -1027,5 +1027,5 @@
                 return false;
             case MISSING_KEY:
-                return !osm.hasKey(key);
+                return !osm.hasTag(key);
             case ANY:
                 return true;