Index: library/nx/nx.tcl
===================================================================
diff -u -r622880fd54236d56d371bd5726e7abcbef47a74a -rbfdad656af33451da0213dd66789a3d0f625ba18
--- library/nx/nx.tcl	(.../nx.tcl)	(revision 622880fd54236d56d371bd5726e7abcbef47a74a)
+++ library/nx/nx.tcl	(.../nx.tcl)	(revision bfdad656af33451da0213dd66789a3d0f625ba18)
@@ -1835,7 +1835,7 @@
   proc ::nx::internal::addProperties {arglist} {
     foreach arg $arglist {:property $arg}
   }
-  ::nx::ObjectParameterSlot create ::nx::Class::slot::properties \
+  ::nx::ObjectParameterSlot create ::nx::Object::slot::properties \
       -methodname "::nx::internal::addProperties"
 
   ######################################################################