diff --git a/applications/compaan/designs/compaan_io_test_fn/mmm.cfg b/applications/compaan/designs/compaan_io_test_fn/mmm.cfg
index 7a9272ffc7cc58ae0cf031534104dbf685212fe1..9c1ed4e4d655eda1c1c5fa79d484c5f3dfda9627 100644
--- a/applications/compaan/designs/compaan_io_test_fn/mmm.cfg
+++ b/applications/compaan/designs/compaan_io_test_fn/mmm.cfg
@@ -3,6 +3,7 @@ mmm_name = compaan_io_test_fn
 board_select = unb1
 
 custom_peripherals = 
+    reg_bsn_monitor                     5  4
     reg_dp_offload_tx                   1  1
     reg_dp_offload_tx_hdr_dat           1  6    
     reg_dp_offload_tx_hdr_ovr           1  5