diff --git a/rtl/axis/taxi_axis_cobs_encode.sv b/rtl/axis/taxi_axis_cobs_encode.sv
index 9042a27..f601f2a 100644
--- a/rtl/axis/taxi_axis_cobs_encode.sv
+++ b/rtl/axis/taxi_axis_cobs_encode.sv
@@ -400,6 +400,8 @@ assign m_axis.tkeep = 1'b1;
 assign m_axis.tstrb = m_axis.tkeep;
 assign m_axis.tvalid = m_axis_tvalid_reg;
 assign m_axis.tlast = m_axis_tlast_reg;
+assign m_axis.tid = '0;
+assign m_axis.tdest = '0;
 assign m_axis.tuser = m_axis_tuser_reg;
 
 // enable ready input next cycle if output is ready or the temp reg will not be filled on the next cycle (output reg empty or no input)