diff --git a/contrib/backup/functions b/contrib/backup/functions
index eed91755e..06d6503dd 100644
--- a/contrib/backup/functions
+++ b/contrib/backup/functions
@@ -188,7 +188,7 @@ function restore_zammad () {
     fi
 
     echo "# Restoring PostgrSQL DB"
-    zcat ${BACKUP_DIR}/${RESTORE_DB_DATE}_zammad_db.${DB_FILE_EXT}.gz | su -c "psql -d ${DB_NAME}" postgres
+    zcat ${BACKUP_DIR}/${RESTORE_DB_DATE}_zammad_db.${DB_FILE_EXT}.gz | su -c "psql -d ${DB_NAME}" zammad
   elif [ "${DB_ADAPTER}" == "mysql2" ]; then
     echo "# Restoring MySQL DB"
     zcat ${BACKUP_DIR}/${RESTORE_DB_DATE}_zammad_db.${DB_FILE_EXT}.gz | mysql -u${DB_USER} -p${DB_PASS} ${DB_NAME}