diff --git a/tests/e1inp_ipa_bts_test.c b/tests/e1inp_ipa_bts_test.c
index 3c7613e..68dfefb 100644
--- a/tests/e1inp_ipa_bts_test.c
+++ b/tests/e1inp_ipa_bts_test.c
@@ -307,10 +307,7 @@
 		LOGP(DBTSTEST, LOGL_ERROR, "cannot create pipe fds\n");
 		exit(EXIT_FAILURE);
 	}
-	bts_eventfd.fd = eventfds[0];
-	bts_eventfd.cb = test_bts_gsm_12_21_cb;
-	bts_eventfd.when = OSMO_FD_READ;
-	bts_eventfd.data = &bts_dev_info;
+	osmo_fd_setup(&bts_eventfd, eventfds[0], OSMO_FD_READ, test_bts_gsm_12_21_cb, &bts_dev_info, 0);
 	if (osmo_fd_register(&bts_eventfd) < 0) {
 		LOGP(DBTSTEST, LOGL_ERROR, "could not register event fd\n");
 		exit(EXIT_FAILURE);