diff --git a/livesupport/modules/storageAdmin/bin/php/dumpDbSchema.php b/livesupport/modules/storageAdmin/bin/php/dumpDbSchema.php
index 02e1e811f..a48d3862c 100644
--- a/livesupport/modules/storageAdmin/bin/php/dumpDbSchema.php
+++ b/livesupport/modules/storageAdmin/bin/php/dumpDbSchema.php
@@ -3,6 +3,7 @@ require_once 'conf.php';
 require_once "$storageServerPath/var/conf.php";
  header("Conten-type: text/plain");
  $dbname = $config['dsn']['database'];
- $res = `pg_dump -s $dbname`;
+ $dbuser = $config['dsn']['username'];
+ $res = `pg_dump -s $dbname -U $dbuser`;
  echo "$res\n";
 ?>
\ No newline at end of file