diff --git a/extras/hoon-mode.el/hoon-mode.el b/extras/hoon-mode.el/hoon-mode.el
index a32b435ea..a8c6f69e0 100644
--- a/extras/hoon-mode.el/hoon-mode.el
+++ b/extras/hoon-mode.el/hoon-mode.el
@@ -71,7 +71,8 @@
   (set (make-local-variable 'comment-use-syntax) nil)
   (set (make-local-variable 'comment-start-skip) "\\(::+\\)\\s *")
   (set (make-local-variable 'font-lock-defaults) '(hoon-font-lock-keywords))
-  (set (make-local-variable 'indent-line-function) 'hoon-indent-line)
+  (set (make-local-variable 'indent-tabs-mode nil)) ;; tabs zutiefst verboten
+  (set (make-local-variable 'indent-line-function) 'indent-relative)
   (set (make-local-variable 'imenu-generic-expression)
        hoon-imenu-generic-expression)
   (set (make-local-variable 'outline-regexp) hoon-outline-regexp)