diff --git a/include/osmocom/core/osmo_io.h b/include/osmocom/core/osmo_io.h
index ffc8cfa..c19ca67 100644
--- a/include/osmocom/core/osmo_io.h
+++ b/include/osmocom/core/osmo_io.h
@@ -88,3 +88,5 @@
 
 int osmo_iofd_get_fd(const struct osmo_io_fd *iofd);
 const char *osmo_iofd_get_name(const struct osmo_io_fd *iofd);
+
+void osmo_iofd_set_ioops(struct osmo_io_fd *iofd, const struct osmo_io_ops *ioops);