diff --git a/lisp/mitch-packages.el b/lisp/mitch-packages.el
index 4e962dc..b454c70 100644
--- a/lisp/mitch-packages.el
+++ b/lisp/mitch-packages.el
@@ -51,6 +51,7 @@
 	   (expand-file-name "tramp-history" backup-directory))
   :config
   (defun find-file-sudo (&rest throwaway)
+    (interactive)
     (if buffer-file-name
 	(unless (or (file-writable-p buffer-file-name)
 		    (file-directory-p buffer-file-name))