diff --git a/ChangeLog b/ChangeLog
index b8a9a18450..b13346c952 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2019-08-15  Florian Weimer  <fweimer@redhat.com>
+
+	[BZ #24880]
+	* login/utmp_file.c (file_locking_failed): Use struct flock64.
+	(file_locking_unlock): Likewise.
+
 2019-08-15  Florian Weimer  <fweimer@redhat.com>
 
 	[BZ #24879]
diff --git a/login/utmp_file.c b/login/utmp_file.c
index f3c528384f..94753e0404 100644
--- a/login/utmp_file.c
+++ b/login/utmp_file.c
@@ -76,7 +76,7 @@ try_file_lock (int fd, int type)
   alarm (TIMEOUT);
 
   /* Try to get the lock.  */
- struct flock fl =
+ struct flock64 fl =
    {
     .l_type = type,
     fl.l_whence = SEEK_SET,
@@ -103,7 +103,7 @@ try_file_lock (int fd, int type)
 static void
 file_unlock (int fd)
 {
-  struct flock fl =
+  struct flock64 fl =
     {
       .l_type = F_UNLCK,
     };