diff --git a/pymtl3_net/ringnet/RingRouteUnitRTL.py b/pymtl3_net/ringnet/RingRouteUnitRTL.py
index fa4fd97..34e23e1 100644
--- a/pymtl3_net/ringnet/RingRouteUnitRTL.py
+++ b/pymtl3_net/ringnet/RingRouteUnitRTL.py
@@ -7,12 +7,13 @@
 Author : Yanghui Ou, Cheng Tan
   Date : April 6, 2019
 """
+
+
 from copy import deepcopy
 
 from pymtl3 import *
-from pymtl3.stdlib.stream.ifcs import RecvIfcRTL, SendIfcRTL
-
 from .directions import *
+from .....lib.basic.val_rdy.ifcs import RecvIfcRTL, SendIfcRTL
 
 
 class RingRouteUnitRTL( Component ):
@@ -63,6 +64,7 @@ def up_ru_routing():
       s.send_msg_wire @= s.recv.msg
       for i in range( s.num_outports ):
         s.send[i].val @= 0
+        s.send[i].msg @= 0
 
       if s.recv.val:
         if s.pos == s.recv.msg.dst:
diff --git a/pymtl3_net/xbar/XbarRouteUnitRTL.py b/pymtl3_net/xbar/XbarRouteUnitRTL.py
index 5755044..69cee04 100644
--- a/pymtl3_net/xbar/XbarRouteUnitRTL.py
+++ b/pymtl3_net/xbar/XbarRouteUnitRTL.py
@@ -8,7 +8,7 @@
   Date : Apr 16, 2020
 '''
 from pymtl3 import *
-from pymtl3.stdlib.stream.ifcs import RecvIfcRTL, SendIfcRTL
+from .....lib.basic.val_rdy.ifcs import RecvIfcRTL, SendIfcRTL
 
 class XbarRouteUnitRTL( Component ):
 
@@ -40,12 +40,13 @@ def construct( s, PacketType, num_outports ):
 
     @update
     def up_ru_routing():
-      s.out_dir @= trunc( s.recv.msg.dst, dir_nbits )
+      s.out_dir @= zext(b1(0), dir_nbits)
 
       for i in range( num_outports ):
         s.send[i].val @= b1(0)
 
       if s.recv.val:
+        s.out_dir @= trunc( s.recv.msg.dst, dir_nbits )
         s.send[ s.out_dir ].val @= b1(1)
 
     @update