diff --git a/src/pcrf/pcrf-gx-path.c b/src/pcrf/pcrf-gx-path.c
index a7de68218..1d35470a8 100644
--- a/src/pcrf/pcrf-gx-path.c
+++ b/src/pcrf/pcrf-gx-path.c
@@ -544,6 +544,14 @@ static int pcrf_gx_ccr_cb( struct msg **msg, struct avp *avp,
         ret = fd_msg_avp_new(ogs_diam_gx_supported_features, 0, &avp);
         ogs_assert(ret == 0);
 
+        ret = fd_msg_avp_new(ogs_diam_vendor_id, 0, &avpch1);
+        ogs_assert(ret == 0);
+        val.i32 = OGS_3GPP_VENDOR_ID;
+        ret = fd_msg_avp_setvalue (avpch1, &val);
+        ogs_assert(ret == 0);
+        ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
+        ogs_assert(ret == 0);
+
         ret = fd_msg_avp_new(ogs_diam_gx_feature_list_id, 0, &avpch1);
         ogs_assert(ret == 0);
         val.i32 = 1;
diff --git a/src/smf/gx-path.c b/src/smf/gx-path.c
index 338ad45ce..61628a6ac 100644
--- a/src/smf/gx-path.c
+++ b/src/smf/gx-path.c
@@ -244,6 +244,14 @@ void smf_gx_send_ccr(smf_sess_t *sess, ogs_gtp_xact_t *xact,
         ret = fd_msg_avp_new(ogs_diam_gx_supported_features, 0, &avp);
         ogs_assert(ret == 0);
 
+        ret = fd_msg_avp_new(ogs_diam_vendor_id, 0, &avpch1);
+        ogs_assert(ret == 0);
+        val.i32 = OGS_3GPP_VENDOR_ID;
+        ret = fd_msg_avp_setvalue (avpch1, &val);
+        ogs_assert(ret == 0);
+        ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
+        ogs_assert(ret == 0);
+
         ret = fd_msg_avp_new(ogs_diam_gx_feature_list_id, 0, &avpch1);
         ogs_assert(ret == 0);
         val.i32 = 1;