diff --git a/init.el b/init.el
index 3cc7bfc..c6a4442 100644
--- a/init.el
+++ b/init.el
@@ -304,9 +304,11 @@
 (setq desktop-save t
       use-file-dialog nil)
 
-(require 'stumpwm-mode)
-(setq stumpwm-shell-program
-      "~/git/stumpwm-contrib/util/stumpish/stumpish")
+(with-eval-after-load 'stumpwm-mode
+  (setq stumpwm-shell-program
+        "~/git/stumpwm-contrib/util/stumpish/stumpish"))
+(autoload 'stumpwm-mode "stumpwm-mode" "stumpwm-mode" t)
+(add-to-list 'auto-mode-alist '("\\.stumpwmrc$" . stumpwm-mode))
 ;; I'd love to know how to automatically set some modes for some
 ;; specific files (i.e. by name of file). Start stumpwm-mode when I
 ;; open ~/.stumpwmrc, disable visual lines and enable truncate lines