diff --git a/ofdpa/bugsKnown.py b/ofdpa/bugsKnown.py
index 13f000f..0f81ce8 100755
--- a/ofdpa/bugsKnown.py
+++ b/ofdpa/bugsKnown.py
@@ -317,6 +317,7 @@
         #add MPLS L3 VPN group
         mpls_label_gid = encode_mpls_label_group_id(OFDPA_MPLS_GROUP_SUBTYPE_L3_VPN_LABEL, index=port)
         ecmp_msg=add_l3_ecmp_group(self.controller, vlan_id, [mpls_label_gid])
+        Groups._put(ecmp_msg.group_id)
         do_barrier(self.controller)
         #add routing flow
         dst_ip = 0x0
@@ -472,4 +473,4 @@
 
             verify_packet_in(self, vlan_pkt, of_port, ofp.OFPR_NO_MATCH)
 
-            verify_no_other_packets(self)
\ No newline at end of file
+            verify_no_other_packets(self)