diff --git a/src/csl_dha.c b/src/csl_dha.c
index e868fb1..e335ade 100644
--- a/src/csl_dha.c
+++ b/src/csl_dha.c
@@ -410,6 +410,7 @@ int tcap_csl_tc_end_req(struct tcap_dialogue *td, OBJECT_IDENTIFIER_t *app_ctx,
 	struct TCMessage tcm;
 	ANY_t *any = NULL;
 	int rc = 0;
+	uint32_t trans_id;
 
 	memset(&tcm, 0, sizeof(tcm));
 	tcm.present = TCMessage_PR_end;
@@ -448,6 +449,12 @@ int tcap_csl_tc_end_req(struct tcap_dialogue *td, OBJECT_IDENTIFIER_t *app_ctx,
 	/* Process components */
 	/* Assemble TLS user data */
 	tcm.choice.end.components = tcap_cha_req_components(td);
+
+	/* Assign remote transaction ID */
+	trans_id = htonl(td->trans.tid_remote);
+	OCTET_STRING_fromBuf(&tcm.choice.end.dtid,
+			     (const char *) &trans_id, sizeof(trans_id));
+
 	/* TR-END.req to TSL */
 	rc = tcap_tco_tr_end_req(&td->trans, &tcm);
 	asn_DEF_ANY.free_struct(&asn_DEF_ANY, any, 0);