diff --git a/src/trau/osmo_ortp.c b/src/trau/osmo_ortp.c
index 8ea05e4..18a6123 100644
--- a/src/trau/osmo_ortp.c
+++ b/src/trau/osmo_ortp.c
@@ -290,6 +290,7 @@
 
 	ortp_set_log_handler(my_ortp_logfn);
 	create_payload_types();
+	ortp_scheduler_init();
 }
 
 /*! \brief Set Osmocom RTP socket parameters