diff --git a/des/sim/verilog/tb_des.tcl b/des/sim/verilog/tb_des.tcl
index 46bbb0e..d7df8a6 100644
--- a/des/sim/verilog/tb_des.tcl
+++ b/des/sim/verilog/tb_des.tcl
@@ -2,9 +2,11 @@ set signals [list]
 lappend signals "tb_des.reset"
 lappend signals "tb_des.clk"
 lappend signals "tb_des.validin"
+lappend signals "tb_des.acceptout"
 lappend signals "tb_des.mode"
 lappend signals "tb_des.key"
 lappend signals "tb_des.datain"
 lappend signals "tb_des.validout"
+lappend signals "tb_des.acceptin"
 lappend signals "tb_des.dataout"
 set num_added [ gtkwave::addSignalsFromList $signals ]