diff --git a/input-validation/validateCenter.js b/input-validation/validateCenter.js
index 333ce49..de95e28 100644
--- a/input-validation/validateCenter.js
+++ b/input-validation/validateCenter.js
@@ -1,9 +1,10 @@
 exports.validateCenter = function validateCenter(center) {
-  const validCenterLengths = [2, 3]
+  var validCenterLengths = [2, 3]
   if (!Array.isArray(center) || !validCenterLengths.includes(center.length)) {
     throw new Error("ERROR! Center has to be an array of length two or three");
   }
-  const [lng, lat] = center;
+
+  var [lng, lat] = center;
   if (typeof lng !== "number" || typeof lat !== "number") {
     throw new Error(
       `ERROR! Longitude and Latitude has to be numbers but where ${typeof lng} and ${typeof lat}`