--- loncom/interface/courseprefs.pm	2022/04/05 12:27:39	1.108
+++ loncom/interface/courseprefs.pm	2022/04/05 14:08:46	1.109
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set configuration settings for a course
 #
-# $Id: courseprefs.pm,v 1.108 2022/04/05 12:27:39 raeburn Exp $
+# $Id: courseprefs.pm,v 1.109 2022/04/05 14:08:46 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1660,7 +1660,6 @@ sub process_linkprot {
                     }
                 } else {
                     $linkprot{$itemid}{'secret'} = $current{'secret'};
-                    $linkprot{$itemid}{'cipher'} = $current{'cipher'};
                 }
             } elsif ($env{$secretitem} ne '') {
                 if ($privnum && $cipher) {
@@ -2213,6 +2212,9 @@ sub store_linkprot {
                     if (exists($oldlinkprot->{$id}{'usable'})) {
                         $changes->{$id}->{'usable'} = 1;
                     }
+                    if (exists($oldlinkprot->{$id}{'cipher'})) {
+                        $changes->{$id}->{'cipher'} = $oldlinkprot->{$id}{'cipher'};
+                    }
                 }
             }
         }