diff --git a/cbz2ebook.sh b/cbz2ebook.sh
index 9421ed4..52fb7ab 100755
--- a/cbz2ebook.sh
+++ b/cbz2ebook.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env zsh -i
+#!/usr/bin/env nix-shell
+#!nix-shell -i "zsh -i" -p imagemagick unzip zip zsh
 set -e
 
 size="1440x1920" # Kobo Forma