diff --git a/util/add_addon_repo b/util/add_addon_repo
index 4979c06bc..decd9e091 100755
--- a/util/add_addon_repo
+++ b/util/add_addon_repo
@@ -1,4 +1,4 @@
-#!/bin/sh -f
+#!/bin/bash -f
 
 if [ $# -ne 2 ]; then
 	echo usage: $0 repo_url nickname
diff --git a/util/add_theme_repo b/util/add_theme_repo
index 70a8c6432..d41eba6d9 100755
--- a/util/add_theme_repo
+++ b/util/add_theme_repo
@@ -1,4 +1,4 @@
-#!/bin/sh -f
+#!/bin/bash -f
 
 
 if [ $# -ne 2 ]; then
diff --git a/util/add_widget_repo b/util/add_widget_repo
index 449afe5db..347e8e4e1 100755
--- a/util/add_widget_repo
+++ b/util/add_widget_repo
@@ -1,4 +1,4 @@
-#!/bin/sh -f
+#!/bin/bash -f
 
 if [ $# -ne 2 ]; then
 	echo usage: $0 repo_url nickname