diff --git a/libraries/base/dp/tb/vhdl/tb_dp_bsn_sync_scheduler.vhd b/libraries/base/dp/tb/vhdl/tb_dp_bsn_sync_scheduler.vhd
index 93802cf6da6cdd8f1ce75d0b2bd6d916b34e187d..8d301b21d186c7a2f6c9d51367c7afd3ff28b445 100644
--- a/libraries/base/dp/tb/vhdl/tb_dp_bsn_sync_scheduler.vhd
+++ b/libraries/base/dp/tb/vhdl/tb_dp_bsn_sync_scheduler.vhd
@@ -521,7 +521,8 @@ BEGIN
   verify_sync <= NOT recover_from_in_lost;
 
   -- Verify that sync is on PPS and BSN grid as defined in [1].
-  proc_dp_verify_sync(ctrl_interval_size,
+  proc_dp_verify_sync(TO_UINT(ctrl_start_bsn),
+                      ctrl_interval_size,
                       g_block_size,
                       clk,
                       verify_sync,