diff --git a/lib/databases/postgresql b/lib/databases/postgresql
index fb6d304..76491c4 100644
--- a/lib/databases/postgresql
+++ b/lib/databases/postgresql
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/databases/postgresql
 # Functions to control the configuration and operation of the **PostgreSQL** database backend