1 files changed, 2 insertions, 2 deletions
diff --git a/src/shared/pty.c b/src/shared/pty.c
index 52a426c0e1..6863be654e 100644
--- a/src/shared/pty.c
+++ b/src/shared/pty.c
@@ -194,13 +194,13 @@ int pty_get_fd(Pty *pty) {
 }
 
 int pty_make_child(Pty *pty) {
-        char slave_name[1024];
+        _cleanup_free_ char *slave_name = NULL;
         int r, fd;
 
         assert_return(pty, -EINVAL);
         assert_return(pty_is_unknown(pty), -EALREADY);
 
-        r = ptsname_r(pty->fd, slave_name, sizeof(slave_name));
+        r = ptsname_malloc(pty->fd, &slave_name);
         if (r < 0)
                 return -errno;