diff --git a/openbsc/src/gprs/sgsn_ares.c b/openbsc/src/gprs/sgsn_ares.c
index eabf940..dd1bdb5 100644
--- a/openbsc/src/gprs/sgsn_ares.c
+++ b/openbsc/src/gprs/sgsn_ares.c
@@ -114,7 +114,8 @@
 	ufd->fd.fd = fd;
 	ufd->fd.cb = ares_osmo_fd_cb;
 	ufd->fd.data = data;
-	osmo_fd_register(&ufd->fd);
+	if (osmo_fd_register(&ufd->fd) != 0)
+		LOGP(DGPRS, LOGL_ERROR, "Failed to register C-ares fd (%d)\n", fd);
 	llist_add(&ufd->head, &sgsn->ares_fds);
 
 update_fd: