diff --git a/proto/bgp/config.Y b/proto/bgp/config.Y
index 4e7d0329..086d7b3c 100644
--- a/proto/bgp/config.Y
+++ b/proto/bgp/config.Y
@@ -32,7 +32,7 @@ CF_KEYWORDS(BGP, LOCAL, NEIGHBOR, AS, HOLD, TIME, CONNECT, RETRY, KEEPALIVE,
 	LIVED, STALE, IMPORT, IBGP, EBGP, MANDATORY, INTERNAL, EXTERNAL, SETS,
 	DYNAMIC, RANGE, NAME, DIGITS, BGP_AIGP, AIGP, ORIGINATE, COST, ENFORCE,
 	FIRST, FREE, VALIDATE, BASE, ROLE, ROLES, PEER, PROVIDER, CUSTOMER,
-	RS_SERVER, RS_CLIENT, REQUIRE, BGP_OTC, GLOBAL)
+	RS_SERVER, RS_CLIENT, REQUIRE, BGP_OTC, GLOBAL, BGP_MPLS_LABEL_STACK)
 
 %type <i> bgp_nh
 %type <i32> bgp_afi
@@ -364,6 +364,8 @@ dynamic_attr: BGP_LARGE_COMMUNITY
 	{ $$ = f_new_dynamic_attr(EAF_TYPE_LC_SET, T_LCLIST, EA_CODE(PROTOCOL_BGP, BA_LARGE_COMMUNITY)); } ;
 dynamic_attr: BGP_OTC
 	{ $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(PROTOCOL_BGP, BA_ONLY_TO_CUSTOMER)); } ;
+dynamic_attr: BGP_MPLS_LABEL_STACK
+	{ $$ = f_new_dynamic_attr(EAF_TYPE_INT_SET, T_CLIST, EA_CODE(PROTOCOL_BGP, BA_MPLS_LABEL_STACK)); } ;
 
 custom_attr: ATTRIBUTE BGP NUM type symbol ';' {
   if($3 > 255 || $3 < 1)