diff --git a/libraries/base/diag/tb/vhdl/tb_diag_wg.vhd b/libraries/base/diag/tb/vhdl/tb_diag_wg.vhd
index ca3ba5ef9857a8cd8b962bf3fb7aa4f4a450445f..853ec384d69626dedc9a5c535270e3981de56fbe 100644
--- a/libraries/base/diag/tb/vhdl/tb_diag_wg.vhd
+++ b/libraries/base/diag/tb/vhdl/tb_diag_wg.vhd
@@ -88,7 +88,8 @@ ARCHITECTURE tb OF tb_diag_wg IS
   SIGNAL buf_rden       : STD_LOGIC;
   
   SIGNAL wg_ctrl        : t_diag_wg;
-                                                                            
+  SIGNAL wg_ctrl_act    : t_diag_wg;
+
   SIGNAL wg_mode        : NATURAL;
   SIGNAL wg_freq        : NATURAL;
   SIGNAL wg_ampl        : NATURAL;
@@ -252,6 +253,7 @@ BEGIN
     buf_rden       => buf_rden,
 
     ctrl           => wg_ctrl,
+    ctrl_act       => wg_ctrl_act,
 
     out_ovr        => wg_ovr,
     out_dat        => wg_dat,