diff --git a/.chezmoiscripts/run_once_after_00-change-shell-to-fish.sh b/.chezmoiscripts/run_once_after_10-change-shell-to-fish.sh
similarity index 55%
rename from .chezmoiscripts/run_once_after_00-change-shell-to-fish.sh
rename to .chezmoiscripts/run_once_after_10-change-shell-to-fish.sh
index 7d21392..bcd5032 100644
--- a/.chezmoiscripts/run_once_after_00-change-shell-to-fish.sh
+++ b/.chezmoiscripts/run_once_after_10-change-shell-to-fish.sh
@@ -1,5 +1,8 @@
-#!/bin/bash
+{{- if lookPath "fish" -}}
+#!/bin/env bash
 
 if [ "$SHELL" != "$(which fish)" ]; then
 	chsh -s "$(which fish)"
 fi
+
+{{- end -}}