diff --git a/testbench/common/wallyTracer.sv b/testbench/common/wallyTracer.sv
index de4692a36..8c72a6816 100644
--- a/testbench/common/wallyTracer.sv
+++ b/testbench/common/wallyTracer.sv
@@ -56,8 +56,8 @@ module wallyTracer import cvw::*; #(parameter cvw_t P) (rvviTrace rvvi);
   logic [`NUM_REGS-1:0] 		 frf_wb;
   logic [4:0] 					 frf_a4;
   logic 						 frf_we4;
-  logic [P.XLEN-1:0]              CSRArray [logic[11:0]];
-  logic [P.XLEN-1:0] 			 CSRArrayOld [logic[11:0]];
+  logic [P.XLEN-1:0]              CSRArray [4095:0];
+  logic [P.XLEN-1:0] 			 CSRArrayOld [4095:0];
   logic [`NUM_CSRS-1:0] 		 CSR_W;
   logic 						 CSRWriteM, CSRWriteW;
   logic [11:0] 					 CSRAdrM, CSRAdrW;