diff --git a/libraries/base/ss/tb/vhdl/tb_tb_ss.vhd b/libraries/base/ss/tb/vhdl/tb_tb_ss.vhd
index 63d04a3dc262075110e0d0983f96c49ea1490190..e0424ed174a69584e43e13c46ba25f1a30724281 100644
--- a/libraries/base/ss/tb/vhdl/tb_tb_ss.vhd
+++ b/libraries/base/ss/tb/vhdl/tb_tb_ss.vhd
@@ -29,6 +29,7 @@ ARCHITECTURE tb OF tb_tb_ss IS
 
   CONSTANT c_nof_sync       : NATURAL := 20;
   CONSTANT c_reverse_ss_map : BOOLEAN := TRUE;
+  SIGNAL tb_end : STD_LOGIC := '0';  -- declare tb_end to avoid 'No objects found' error on 'when -label tb_end'
   
 BEGIN