diff --git a/hw/dv/sv/mem_bkdr_util/mem_bkdr_util__rom.sv b/hw/dv/sv/mem_bkdr_util/mem_bkdr_util__rom.sv
index 3f1f3d9..541bdd2 100644
--- a/hw/dv/sv/mem_bkdr_util/mem_bkdr_util__rom.sv
+++ b/hw/dv/sv/mem_bkdr_util/mem_bkdr_util__rom.sv
@@ -100,7 +100,7 @@
     // Calculate the scrambled data
     wdata_arr = {<<{integ_data}};
     wdata_arr = sram_scrambler_pkg::encrypt_sram_data(
-        wdata_arr, 39, 0, rom_addr, addr_width, key_arr, nonce_arr
+        wdata_arr, 39, 39, rom_addr, addr_width, key_arr, nonce_arr
     );
     scrambled_data = {<<{wdata_arr}};
   end