diff --git a/installer/data/mysql/atomicupdate/bug_23682.perl b/installer/data/mysql/atomicupdate/bug_23682.perl
index 8aa64325fc..05aebbcc92 100644
--- a/installer/data/mysql/atomicupdate/bug_23682.perl
+++ b/installer/data/mysql/atomicupdate/bug_23682.perl
@@ -1,7 +1,7 @@
 $DBversion = 'XXX'; # will be replaced by the RM
 if ( CheckVersion( $DBversion ) ) {
     $dbh->do(q{
-        INSERT INTO systempreferences ( `variable`, `value`, `options`, `explanation`, `type` ) VALUES
+        INSERT IGNORE INTO systempreferences ( `variable`, `value`, `options`, `explanation`, `type` ) VALUES
         ('EdifactInvoiceImport', 'automatic', 'automatic|manual', "If on, don't auto-import EDI invoices, just keep them in the database with the status 'new'", 'Choice')
     });