diff --git a/tests/test-pam b/tests/test-pam
index dacba584..9ee2597a 100755
--- a/tests/test-pam
+++ b/tests/test-pam
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Copyright (C) 2016 Nikos Mavrogiannopoulos
 #
diff --git a/tests/test-pam-noauth b/tests/test-pam-noauth
index 5572fbb2..40f52d6c 100755
--- a/tests/test-pam-noauth
+++ b/tests/test-pam-noauth
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Copyright (C) 2016 Nikos Mavrogiannopoulos
 #