diff --git a/preserves.el b/preserves.el
index 424d849..519075b 100644
--- a/preserves.el
+++ b/preserves.el
@@ -43,8 +43,8 @@
 
 (defvar preserves-font-lock-keywords
   (list
-   '("#\n" . font-lock-comment-face)
-   '("#[ \t].*\n" . font-lock-comment-face)
+   '("#\n" 0 font-lock-comment-face t)
+   '("#[ \t].*\n" 0 font-lock-comment-face t)
    '("\\_<\\(~\\|[A-Z]\\)[^][)(}{><[:space:].\n]*\\>" . font-lock-type-face)
    '("\\\\[[:space:]]*?\n" . font-lock-warning-face)
    ))