1 files changed, 2 insertions, 1 deletions

diff --git a/lisp/font-lock.el b/lisp/font-lock.el
index d151f481032..9c5851abd2f 100644
--- a/lisp/font-lock.el
+++ b/lisp/font-lock.el
@@ -1008,7 +1008,8 @@ a very meaningful entity to highlight.")
 
 (defun font-lock-default-fontify-region (beg end loudly)
   (save-buffer-state
-      ((parse-sexp-lookup-properties font-lock-syntactic-keywords)
+      ((parse-sexp-lookup-properties
+        (or parse-sexp-lookup-properties font-lock-syntactic-keywords))
        (old-syntax-table (syntax-table)))
     (unwind-protect
         (save-restriction