diff --git a/installer/data/mysql/atomicupdate/Bug_29393_add_send_message_permission.pl b/installer/data/mysql/atomicupdate/Bug_29393_add_send_message_permission.pl
old mode 100644
new mode 100755
index 12327f92be..1d8fe41c9d
--- a/installer/data/mysql/atomicupdate/Bug_29393_add_send_message_permission.pl
+++ b/installer/data/mysql/atomicupdate/Bug_29393_add_send_message_permission.pl
@@ -1,14 +1,16 @@
 use Modern::Perl;
 
 return {
-    bug_number => "29393",
+    bug_number  => "29393",
     description => "Add permission borrowers:send_messages_to_borrowers",
-    up => sub {
+    up          => sub {
         my ($args) = @_;
-        my ($dbh, $out) = @$args{qw(dbh out)};
+        my ( $dbh, $out ) = @$args{qw(dbh out)};
 
-        $dbh->do(q{INSERT INTO permissions (module_bit, code, description)
-            VALUES (4, 'send_messages_to_borrowers', 'Send messages to patrons')});
+        $dbh->do(
+            q{INSERT IGNORE INTO permissions (module_bit, code, description)
+            VALUES (4, 'send_messages_to_borrowers', 'Send messages to patrons')}
+        );
         say $out "Update is going well so far";
     },
-}
+    }