diff --git a/install/update.php b/install/update.php
index 9bc4dd7a3c0c6352f78a5c63f326727dd966d88c..9484a55d4ef7fd79ee20a6147c3ca75f889e677d 100644
--- a/install/update.php
+++ b/install/update.php
@@ -149,6 +149,8 @@ else {
 	system("mysqldump -h '".$conf['mysql']['host']."' -u '".$conf['mysql']['admin_user']."' -c -t --add-drop-table --create-options --quick --result-file=existing_db.sql ".$conf['mysql']['database']);
 }
 
+if(filesize('existing_db.sql') < 60000) die('Possible problem with dumping the database. We will stop here. Please check the file existing_db.sql');
+
 // create a backup copy of the ispconfig database in the root folder
 $backup_db_name = '/root/ispconfig_db_backup_'.@date('Y-m-d_h-i').'.sql';
 copy('existing_db.sql',$backup_db_name);