diff --git a/common/themes/grub_theme.sh b/common/themes/grub_theme.sh
index 4edec7d..c317455 100644
--- a/common/themes/grub_theme.sh
+++ b/common/themes/grub_theme.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 install_grub_theme() {
     git clone https://github.com/vinceliuice/grub2-themes.git
diff --git a/common/themes/vimix_cursors.sh b/common/themes/vimix_cursors.sh
index 6140b1a..e7f81d7 100644
--- a/common/themes/vimix_cursors.sh
+++ b/common/themes/vimix_cursors.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 install_vimix_cursors() {
     git clone https://github.com/vinceliuice/Vimix-cursors