diff --git a/elisp/org-mu4e-compose.el b/elisp/org-mu4e-compose.el
index 336d3a2..29d9421 100644
--- a/elisp/org-mu4e-compose.el
+++ b/elisp/org-mu4e-compose.el
@@ -63,7 +63,8 @@ about this change."
       (let ((content
              (with-temp-buffer
                (insert-buffer-substring real-buf (car bounds) (cdr bounds))
-               (let (sgml-mode-hook html-mode-hook text-mode-hook)
+               (let ((delay-mode-hooks t)
+                     delayed-mode-hooks)
                  (html-mode))
                (sgml-pretty-print (point-min) (point-max))
                (indent-region (point-min) (point-max))