1 files changed, 2 insertions, 2 deletions

diff --git a/lisp/obsolete/fast-lock.el b/lisp/obsolete/fast-lock.el
index 60c7988a66b..de4b494826a 100644
--- a/lisp/obsolete/fast-lock.el
+++ b/lisp/obsolete/fast-lock.el
@@ -623,9 +623,9 @@ See `fast-lock-cache-directory'."
   ;; Compile all keywords in case some are and some aren't.
   (when font-lock-syntactic-keywords
     (setq font-lock-syntactic-keywords (font-lock-compile-keywords
-                                        font-lock-syntactic-keywords)))
+                                        font-lock-syntactic-keywords t)))
   (when syntactic-keywords
-    (setq syntactic-keywords (font-lock-compile-keywords syntactic-keywords)))
+    (setq syntactic-keywords (font-lock-compile-keywords syntactic-keywords t)))
   (setq font-lock-keywords (font-lock-compile-keywords font-lock-keywords)
         keywords (font-lock-compile-keywords keywords))
   ;; Use the Font Lock cache SYNTACTIC-PROPERTIES and FACE-PROPERTIES if we're