diff --git a/docs/html/update_gtkintf_html.sh b/docs/html/update_gtkintf_html.sh
index ae6248ef3c..93c5f02b20 100644
--- a/docs/html/update_gtkintf_html.sh
+++ b/docs/html/update_gtkintf_html.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 #
 # Author: Mattias Gaertner
 #
diff --git a/docs/html/update_html.sh b/docs/html/update_html.sh
index 3addcbbea4..5a1c539ea4 100644
--- a/docs/html/update_html.sh
+++ b/docs/html/update_html.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 #
 # Author: Mattias Gaertner
 #
diff --git a/docs/html/update_lcl_html.sh b/docs/html/update_lcl_html.sh
index 1b7a3fddbe..5fb1c2583d 100644
--- a/docs/html/update_lcl_html.sh
+++ b/docs/html/update_lcl_html.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 #
 # Author: Mattias Gaertner
 #
diff --git a/docs/xml/make_all_skel.sh b/docs/xml/make_all_skel.sh
index 53457306e7..a53a1e0e8f 100644
--- a/docs/xml/make_all_skel.sh
+++ b/docs/xml/make_all_skel.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 #
 # Author: Mattias Gaertner
 #