diff --git a/server/plugins-available/backup_plugin.inc.php b/server/plugins-available/backup_plugin.inc.php
index bc7ffa24ce8e5593abe0ccadc5a7421337e7ac69..4eb8735f53ab1c9a9ecc65b419bb89f93d6e488c 100644
--- a/server/plugins-available/backup_plugin.inc.php
+++ b/server/plugins-available/backup_plugin.inc.php
@@ -129,7 +129,7 @@ class backup_plugin {
 						//$db_name = $parts[1];
 						preg_match('@^db_(.+)_\d{4}-\d{2}-\d{2}_\d{2}-\d{2}\.sql\.gz$@', $backup['filename'], $matches);
 						$db_name = $matches[1];
-						$command = "gunzip --stdout ".escapeshellarg($backup_dir.'/'.$backup['filename'])." | mysql -h '".escapeshellarg($clientdb_host)."' -u '".escapeshellarg($clientdb_user)."' -p'".escapeshellarg($clientdb_password)."' '".$db_name."'";
+						$command = "gunzip --stdout ".escapeshellarg($backup_dir.'/'.$backup['filename'])." | mysql -h ".escapeshellarg($clientdb_host)." -u ".escapeshellarg($clientdb_user)." -p".escapeshellarg($clientdb_password)." ".escapeshellarg($db_name);
 						exec($command);
 					}
 					unset($clientdb_host);