diff --git a/libraries/base/diag/tb/vhdl/tb_diag_regression.vhd b/libraries/base/diag/tb/vhdl/tb_diag_regression.vhd
index 9b225c3c546b4fc5c4739d483b40c82f1cc5eb3b..f0c69b04091752654a5eb9d397ada21dcf4fdeb4 100644
--- a/libraries/base/diag/tb/vhdl/tb_diag_regression.vhd
+++ b/libraries/base/diag/tb/vhdl/tb_diag_regression.vhd
@@ -38,9 +38,10 @@ END tb_diag_regression;
 
 ARCHITECTURE tb OF tb_diag_regression IS
 BEGIN
-
+  -- Single tb
   u_tb_diag_block_gen             : ENTITY work.tb_diag_block_gen;
   u_tb_mms_diag_block_gen         : ENTITY work.tb_mms_diag_block_gen;
-  u_tb_mms_diag_seq               : ENTITY work.tb_mms_diag_seq;
   
+  -- Multi tb
+  u_tb_tb_mms_diag_seq            : ENTITY work.tb_tb_mms_diag_seq;
 END tb;