diff --git a/hw/ip/otp_ctrl/rtl/otp_ctrl_lci.sv b/hw/ip/otp_ctrl/rtl/otp_ctrl_lci.sv
index 41e3cf5..60696eb 100644
--- a/hw/ip/otp_ctrl/rtl/otp_ctrl_lci.sv
+++ b/hw/ip/otp_ctrl/rtl/otp_ctrl_lci.sv
@@ -12,7 +12,7 @@
   import otp_ctrl_reg_pkg::*;
 #(
   // Lifecycle partition information
-  parameter part_info_t Info
+  parameter part_info_t Info = part_info_t'(0)
 ) (
   input                                    clk_i,
   input                                    rst_ni,
diff --git a/hw/ip/otp_ctrl/rtl/otp_ctrl_part_buf.sv b/hw/ip/otp_ctrl/rtl/otp_ctrl_part_buf.sv
index 75481b3..59c651f 100644
--- a/hw/ip/otp_ctrl/rtl/otp_ctrl_part_buf.sv
+++ b/hw/ip/otp_ctrl/rtl/otp_ctrl_part_buf.sv
@@ -12,8 +12,8 @@
   import otp_ctrl_reg_pkg::*;
 #(
   // Partition information.
-  parameter part_info_t             Info,
-  parameter logic [Info.size*8-1:0] DataDefault
+  parameter part_info_t             Info = part_info_t'(0),
+  parameter logic [Info.size*8-1:0] DataDefault = '0
 ) (
   input                               clk_i,
   input                               rst_ni,
diff --git a/hw/ip/otp_ctrl/rtl/otp_ctrl_part_unbuf.sv b/hw/ip/otp_ctrl/rtl/otp_ctrl_part_unbuf.sv
index c892a2e..48a3f96 100644
--- a/hw/ip/otp_ctrl/rtl/otp_ctrl_part_unbuf.sv
+++ b/hw/ip/otp_ctrl/rtl/otp_ctrl_part_unbuf.sv
@@ -12,7 +12,7 @@
   import otp_ctrl_reg_pkg::*;
 #(
   // Partition information.
-  parameter part_info_t Info
+  parameter part_info_t Info = part_info_t'(0)
 ) (
   input                               clk_i,
   input                               rst_ni,