1 files changed, 1 insertions, 1 deletions

diff --git a/src/buffer.c b/src/buffer.c
index 3cd47fede36..bbb0edd792c 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -1449,7 +1449,7 @@ state of the current buffer.  Use with care.  */)
         {
           bool already = SAVE_MODIFF < MODIFF;
           if (!already && !NILP (flag))
-            lock_file (fn);
+            Flock_file (fn);
           else if (already && NILP (flag))
             Funlock_file (fn);
         }