diff --git a/modules/register_file.sv b/modules/register_file.sv
index c933436..43da9cb 100644
--- a/modules/register_file.sv
+++ b/modules/register_file.sv
@@ -1,14 +1,14 @@
 `ifndef REGISTER_FILE_H
 `define REGISTER_FILE_H
 
-module register_file #(parameter width=5, parameter nregs=32)(
+module register_file #(parameter width=5, parameter nregs=5)(
     input logic [0:0] clk, input logic[0:0] we,
-    input logic [$clog(nregs)-1:0] WA, input logic [2**width-1:0] WD,
-    input logic [$clog(nregs)-1:0] RA1, output logic [2**width-1:0] RD1,
-    input logic [$clog(nregs)-1:0] RA2, output logic [2**width-1:0] RD2
+    input logic [nregs-1:0] WA, input logic [2**width-1:0] WD,
+    input logic [nregs-1:0] RA1, output logic [2**width-1:0] RD1,
+    input logic [nregs-1:0] RA2, output logic [2**width-1:0] RD2
 );
     localparam BW = 2**width;
-    logic [2**width-1:0] regs[nregs];
+    logic [2**width-1:0] regs[2**nregs];
 
     initial begin
         regs[0] = {(2**width){1'b0}};