diff --git a/yasnippet.el b/yasnippet.el
index 3f007da..602e74e 100644
--- a/yasnippet.el
+++ b/yasnippet.el
@@ -1000,7 +1000,7 @@ Honour `yas-dont-activate-functions', which see."
 ;;; Major mode stuff
 
 (defvar yas--font-lock-keywords
-  (append '(("^#.*$" . font-lock-comment-face))
+  (append '(("^#.*$" (0 'font-lock-comment-face)))
           (with-temp-buffer
             (let ((prog-mode-hook nil)
                   (emacs-lisp-mode-hook nil))
@@ -1011,14 +1011,14 @@ Honour `yas-dont-activate-functions', which see."
                 (cadr font-lock-keywords)
               font-lock-keywords))
           '(("\\$\\([0-9]+\\)"
-             (0 font-lock-keyword-face)
-             (1 font-lock-string-face t))
+             (0 'font-lock-keyword-face)
+             (1 'font-lock-string-face t))
             ("\\${\\([0-9]+\\):?"
-             (0 font-lock-keyword-face)
-             (1 font-lock-warning-face t))
-            ("\\(\\$(\\)" 1 font-lock-preprocessor-face)
+             (0 'font-lock-keyword-face)
+             (1 'font-lock-warning-face t))
+            ("\\(\\$(\\)" 1 'font-lock-preprocessor-face)
             ("}"
-             (0 font-lock-keyword-face)))))
+             (0 'font-lock-keyword-face)))))
 
 (defvar snippet-mode-map
   (let ((map (make-sparse-keymap)))