diff --git a/Conversions/DecimalToOctal.js b/Conversions/DecimalToOctal.js
index 5d37a56870..6f9184b5ab 100644
--- a/Conversions/DecimalToOctal.js
+++ b/Conversions/DecimalToOctal.js
@@ -1,7 +1,8 @@
 function decimalToOctal (num) {
-  var oct = 0; var c = 0
+  let oct = 0
+  let c = 0
   while (num > 0) {
-    var r = num % 8
+    const r = num % 8
     oct = oct + (r * Math.pow(10, c++))
     num = Math.floor(num / 8) // basically /= 8 without remainder if any
   }