diff --git a/.emacs.d/init.el b/.emacs.d/init.el
index 0e8818e..668d029 100644
--- a/.emacs.d/init.el
+++ b/.emacs.d/init.el
@@ -60,6 +60,8 @@
 (add-hook 'text-mode-hook 'hl-line-mode)
 
 (add-hook 'prog-mode-hook 'indent-tab-hook)
+(add-hook 'sgml-mode-hook 'indent-spc-hook)
+
 (defun lisp-hook ()
   (indent-spc-hook)
   (keymap-local-set "C-c l" 'common-lisp-hyperspec))