diff --git a/openbsc/src/nat/bsc_nat.c b/openbsc/src/nat/bsc_nat.c
index 9bfa54e..2351e8b 100644
--- a/openbsc/src/nat/bsc_nat.c
+++ b/openbsc/src/nat/bsc_nat.c
@@ -611,6 +611,7 @@
 			if (create_sccp_src_ref(bsc, msg, parsed) != 0)
 				goto exit2;
 			con = patch_sccp_src_ref_to_msc(msg, parsed, bsc);
+			con->con_type = con_type;
 			break;
 		case SCCP_MSG_TYPE_RLSD:
 		case SCCP_MSG_TYPE_CREF: