diff --git a/modules/siprec/siprec_logic.c b/modules/siprec/siprec_logic.c
index c22ddfc778..f2cd186918 100644
--- a/modules/siprec/siprec_logic.c
+++ b/modules/siprec/siprec_logic.c
@@ -172,7 +172,7 @@ static void srec_dlg_sequential(struct dlg_cell *dlg, int type, struct dlg_cb_pa
 int srec_register_callbacks(struct src_sess *sess)
 {
 	/* also, the b2b ref moves on the dialog */
-	if (srec_dlg.register_dlgcb(sess->dlg, DLGCB_TERMINATED|DLGCB_EXPIRED,
+	if (srec_dlg.register_dlgcb(sess->dlg, DLGCB_TERMINATED|DLGCB_EXPIRED|DLGCB_FAILED,
 			srec_dlg_end, sess, src_unref_session)){
 		LM_ERR("cannot register callback for dialog termination\n");
 		return -1;