diff --git a/package.json b/package.json
index 0dcb509..4e821d1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "LiteRyzJS",
-  "version": "0.1.0.424",
+  "version": "0.1.0.455",
   "devDependencies": {
     "css-loader": "^7.1.2",
     "sass": "^1.77.8",
diff --git a/src/extensions/array.js b/src/extensions/array.js
index 1aad74c..38eaab4 100644
--- a/src/extensions/array.js
+++ b/src/extensions/array.js
@@ -4,6 +4,10 @@
  * @returns Boolean True, if array is empty or not an array type.
  */
 Array.isEmpty = function(value) {
+  if (typeof(value) == "undefined") {
+    return true;
+  }
+
   const dataType = Object.getDataType(value);
   if (dataType != "array") {
     return true;
@@ -160,12 +164,12 @@ Array.prototype.create = function (length, value) {
   return result
 };
 
-Array.prototype.distinct = function () {
-  this = this.filter((obj, index, self) =>
+Array.prototype.distinct = function() {
+  let result = this.filter((obj, index, self) =>
     index === self.findIndex((x) => JSON.stringify(x) === JSON.stringify(obj))
   );
 
-  return this;
+  return result;
 }
 
 /**