diff --git a/src/libotutil/ot-fs-utils.c b/src/libotutil/ot-fs-utils.c
index e94763bbac..a0a72ca5db 100644
--- a/src/libotutil/ot-fs-utils.c
+++ b/src/libotutil/ot-fs-utils.c
@@ -34,7 +34,8 @@ ot_fdrel_to_gfile (int dfd, const char *path)
   g_autofree char *abspath = glnx_fdrel_abspath (dfd, path);
   return g_file_new_for_path (abspath);
 }
-nt
+
+int
 ot_opendirat (int dfd, const char *path, gboolean follow)
 {
   int flags = O_RDONLY | O_NONBLOCK | O_DIRECTORY | O_CLOEXEC | O_NOCTTY;