diff --git a/litex/soc/interconnect/packet.py b/litex/soc/interconnect/packet.py
index 7ac82027d..961179e65 100644
--- a/litex/soc/interconnect/packet.py
+++ b/litex/soc/interconnect/packet.py
@@ -336,7 +336,7 @@ class Depacketizer(Module):
                 )
             )
         )
-        self.sync += If(sink.ready, sink_d.eq(sink))
+        self.sync += If(sink.valid & sink.ready, sink_d.eq(sink))
         fsm.act("UNALIGNED-DATA-COPY",
             source.valid.eq(sink.valid | sink_d.last),
             source.last.eq(sink.last | sink_d.last),