--- loncom/lond	2010/07/20 02:42:27	1.448
+++ loncom/lond	2010/07/22 22:08:06	1.449
@@ -2,7 +2,7 @@
 # The LearningOnline Network
 # lond "LON Daemon" Server (port "LOND" 5663)
 #
-# $Id: lond,v 1.448 2010/07/20 02:42:27 raeburn Exp $
+# $Id: lond,v 1.449 2010/07/22 22:08:06 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -58,7 +58,7 @@ my $DEBUG = 0;		       # Non zero to ena
 my $status='';
 my $lastlog='';
 
-my $VERSION='$Revision: 1.448 $'; #' stupid emacs
+my $VERSION='$Revision: 1.449 $'; #' stupid emacs
 my $remoteVERSION;
 my $currenthostid="default";
 my $currentdomainid;
@@ -1800,8 +1800,12 @@ sub authenticate_handler {
                 if (ref($hostedsession) eq 'HASH') {
                     $hosted = $hostedsession->{'hosted'};
                 }
+                my $loncaparev = $clientversion;
+                if ($loncaparev eq '') {
+                    $loncaparev = $Apache::lonnet::loncaparevs{$clientname};
+                }
                 $canhost = &Apache::lonnet::can_host_session($udom,$clientname,
-                                                             $clientversion,
+                                                             $loncaparev,
                                                              $remote,$hosted);
             }
         }