diff --git a/artiq/gateware/rtio/sed/output_network.py b/artiq/gateware/rtio/sed/output_network.py
index 8be0ef0ef..58e566a29 100644
--- a/artiq/gateware/rtio/sed/output_network.py
+++ b/artiq/gateware/rtio/sed/output_network.py
@@ -56,9 +56,12 @@ class OutputNetwork(Module):
 
         step_input = self.input
         for step in boms_steps_pairs(lane_count):
-            step_output = [Record(layouts.output_network_node(seqn_width, layout_payload),
-                                  reset_less=True)
-                           for _ in range(lane_count)]
+            step_output = []
+            for i in range(lane_count):
+                rec = Record(layouts.output_network_node(seqn_width, layout_payload),
+                             reset_less=True)
+                rec.valid.reset_less = False
+                step_output.append(rec)
 
             for node1, node2 in step:
                 nondata_difference = Signal()