diff --git a/switch-theme.sh b/switch-theme.sh
index 68c4625..510bf10 100755
--- a/switch-theme.sh
+++ b/switch-theme.sh
@@ -5,6 +5,7 @@
 
 DESTDIR=~/.config/awesome
 PROJECT=copycat-killer/awesome-copycats
+SHELL=$(which bash)
 
 # $(swap_dialog)
 define swap_dialog