diff --git a/res/res_rtp_asterisk.c b/res/res_rtp_asterisk.c
index dc5a2a71e4..5cb67e6f05 100644
--- a/res/res_rtp_asterisk.c
+++ b/res/res_rtp_asterisk.c
@@ -5269,6 +5269,8 @@ static int reload_module(void)
 #ifdef HAVE_PJPROJECT
 static void rtp_terminate_pjproject(void)
 {
+	pj_thread_register_check();
+
 	if (timer_thread) {
 		timer_terminate = 1;
 		pj_thread_join(timer_thread);