diff --git a/src/vnet/udp/udp_input.c b/src/vnet/udp/udp_input.c
index 453e123..4b22cbe 100644
--- a/src/vnet/udp/udp_input.c
+++ b/src/vnet/udp/udp_input.c
@@ -220,6 +220,8 @@
 	      s0->session_state = SESSION_STATE_READY;
 	      tc0 = &child0->connection;
 	      uc0 = udp_get_connection_from_transport (tc0);
+	      udp_connection_share_port (clib_net_to_host_u16
+					 (uc0->c_lcl_port), uc0->c_is_ip4);
 	      error0 = UDP_ERROR_LISTENER;
 	    }
 	}