diff --git a/tools/kconfig/lxdialog/check-lxdialog.sh b/tools/kconfig/lxdialog/check-lxdialog.sh
index de48a1c260..e9daa6270c 100755
--- a/tools/kconfig/lxdialog/check-lxdialog.sh
+++ b/tools/kconfig/lxdialog/check-lxdialog.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Check ncurses compatibility
 
 # What library to link