diff --git a/src/browser/print_stats.js b/src/browser/print_stats.js
index 289ebcf6..010ee220 100644
--- a/src/browser/print_stats.js
+++ b/src/browser/print_stats.js
@@ -239,7 +239,7 @@ const print_stats = {
 
         for(let i = 0; i < 0x100; i++)
         {
-            text += h(i, 2).slice(2) + ":" + v86util.pads(Math.round(per_opcode[i] / factor), pad_length);
+            text += i.toString(16).padStart(2, "0") + ":" + v86util.pads(Math.round(per_opcode[i] / factor), pad_length);
 
             if(i % 16 == 15)
                 text += "\n";
@@ -252,7 +252,7 @@ const print_stats = {
 
         for(let i = 0; i < 0x100; i++)
         {
-            text += h(i & 0xFF, 2).slice(2) + ":" + v86util.pads(Math.round(per_opcode0f[i] / factor), pad_length);
+            text += (i & 0xFF).toString(16).padStart(2, "0") + ":" + v86util.pads(Math.round(per_opcode0f[i] / factor), pad_length);
 
             if(i % 16 == 15)
                 text += "\n";