diff --git a/liteeth/software/dissectors/etherbone.lua b/liteeth/software/dissectors/etherbone.lua
index 0a629a4..d5ef9e8 100644
--- a/liteeth/software/dissectors/etherbone.lua
+++ b/liteeth/software/dissectors/etherbone.lua
@@ -221,3 +221,5 @@ end
 -- register eb protocol on UDP port 20000
 local tab = DissectorTable.get("udp.port")
 tab:add(20000, proto_eb)
+local tab = DissectorTable.get("tcp.port")
+tab:add(1234, proto_eb)