diff --git a/modules/alu.sv b/modules/alu.sv
index d093d7d..08aac74 100644
--- a/modules/alu.sv
+++ b/modules/alu.sv
@@ -11,7 +11,7 @@ module alu #(parameter width=2)(input logic [3:0] op,
     logic [1:0] asu_flags;
     asu #(width) adder_unit(asu_op[op[1]], A, B, asu_out, asu_flags[0], asu_flags[1]);
 
-    logic [width-1:0] lu_out;
+    logic [2**width-1:0] lu_out;
     lu #(width) logic_unit(op[1:0], A, B, lu_out);
 
     always_comb begin
@@ -24,7 +24,7 @@ module alu #(parameter width=2)(input logic [3:0] op,
             2'b0101: OUT_1 = lu_out;
             2'b0110: OUT_1 = lu_out; 
             2'b0111: OUT_1 = lu_out;
-            2'b1010: OUT_1 = (asu_out[$clog2(width)-1] ^ asu_flags[1]);
+            2'b1010: OUT_1 = (asu_out[2**width-1] ^ asu_flags[1]);
             2'b1011: OUT_1 = ~asu_flags[0];
             default: '0;
         endcase