--- loncom/interface/loncreateuser.pm	2015/06/09 21:22:56	1.405
+++ loncom/interface/loncreateuser.pm	2015/09/04 18:07:07	1.406
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Create a user
 #
-# $Id: loncreateuser.pm,v 1.405 2015/06/09 21:22:56 damieng Exp $
+# $Id: loncreateuser.pm,v 1.406 2015/09/04 18:07:07 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -5746,6 +5746,12 @@ ENDSCRIPT
         $cathash = $domconfig{'coursecategories'}{'cats'};
         $cattype{'auth'} = $domconfig{'coursecategories'}{'auth'};
         $cattype{'unauth'} = $domconfig{'coursecategories'}{'unauth'};
+        if ($cattype{'auth'} eq '') {
+            $cattype{'auth'} = 'std';
+        }
+        if ($cattype{'unauth'} eq '') {
+            $cattype{'unauth'} = 'std';
+        }
     } else {
         $cathash = {};
         $cattype{'auth'} = 'std';