diff --git a/root/etc/e-smith/events/actions/update-ldap-pseudonyms b/root/etc/e-smith/events/actions/update-ldap-pseudonyms
index d437cec..d4ceb7f 100644
--- a/root/etc/e-smith/events/actions/update-ldap-pseudonyms
+++ b/root/etc/e-smith/events/actions/update-ldap-pseudonyms
@@ -45,18 +45,15 @@ if (($ip eq 'disabled') || ($alias eq 'disabled')){
     
 my $l = $c->get('ldap');
 my $status = $l->prop('status') || "disabled";
-unless ($status eq "enabled" )
-{   
+unless ($status eq "enabled" ){   
     warn "Not running action script $0, LDAP service not enabled!\n";
     exit(0);
 }
 
-my $hostname = $c->get('SystemName')
-    || die("Couldn't determine system name");
+my $hostname = $c->get('SystemName') || die("Couldn't determine system name");
 $hostname = $hostname->value;
 
-my $domain = $c->get('DomainName')
-    || die("Couldn't determine domain name");
+my $domain = $c->get('DomainName') || die("Couldn't determine domain name");
 $domain = $domain->value;
     
 my @accounts; 
@@ -64,18 +61,15 @@ my $account;
 my $event = shift || die "Event name must be specified";
 if ($event eq 'ldap-update' or
     $event eq 'bootstrap-ldap-save' or
-    $event =~ m/(pseudonym)\-(create|modify|delete)/)
-{
+    $event =~ m/(pseudonym)\-(create|modify|delete)/){
     @accounts = ($a->users,$a->groups);
     push(@accounts, $a->get('admin'));
 }
-else
-{
+else{
     my @name = @ARGV;
     die "Account name argument missing." unless scalar (@name) >= 1;
 
-    foreach my $name (@name)
-    {
+    foreach my $name (@name){
         $account = $a->get($name);
         die "Account $name not found.\n" unless defined $account;
 
@@ -95,8 +89,7 @@ $ldap->bind(
 );
 
 my $result;
-foreach my $acct (@accounts)
-{
+foreach my $acct (@accounts){
     my $key = $acct->key;
 
     my @pseudo = ("$key");
@@ -136,14 +129,27 @@ foreach my $acct (@accounts)
         $ou = "Groups";
         $dn = "cn";
     }
-    $result = $ldap->modify(
+    $result = $ldap->search(base => "ou=$ou,$base",
+                            filter => "$dn=$key");
+    $result->code && warn "failed to search for entry $dn=$key,ou=$ou,$base: ", $result->error;
+    my @mails = ();
+    foreach my $entry ($result->all_entries()){
+        push @mails, $entry->get_value('mail');
+    }
+    my $alias = join('\0', sort @alias);
+    my $mails = join('\0', sort @mails);
+
+    unless ($alias eq $mails){ 
+        $result = $ldap->modify(
                      "$dn=$key,ou=$ou,$base",
                          replace => {
                              mail => \@alias
                          }
               );
-    $result->code && warn "failed to modify entry $dn=$key,ou=$ou,$base: ", $result->error;
+        $result->code && warn "failed to modify entry $dn=$key,ou=$ou,$base: ", $result->error;
+    }
 }
 
+
 $ldap->unbind;