diff --git a/src/input/ipaccess.c b/src/input/ipaccess.c
index 6f41c97..ac61e14 100644
--- a/src/input/ipaccess.c
+++ b/src/input/ipaccess.c
@@ -190,7 +190,7 @@
 
 			/* get rid of our old temporary bfd */
 			/* preserve 'newbfd->when' flags potentially set by sign_link_up() */
-			osmo_fd_setup(newbfd, bfd->fd, bfd->when, bfd->cb,
+			osmo_fd_setup(newbfd, bfd->fd, newbfd->when | bfd->when, bfd->cb,
 				      bfd->data, E1INP_SIGN_RSL + unit_data.trx_id);
 			osmo_fd_unregister(bfd);
 			bfd->fd = -1;