diff --git a/package-lock.json b/package-lock.json
index aa65bce..ba2e9d9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "@hckrnews/error",
-    "version": "0.3.1",
+    "version": "0.3.2",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
             "name": "@hckrnews/error",
-            "version": "0.3.1",
+            "version": "0.3.2",
             "license": "MIT",
             "dependencies": {
                 "@hckrnews/validator": "^5.0.1"
diff --git a/package.json b/package.json
index fcf6346..d36142b 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@hckrnews/error",
     "description": "Extended Errors",
-    "version": "0.3.1",
+    "version": "0.3.2",
     "author": {
         "name": "Pieter Wigboldus",
         "url": "https://hckr.news/"
diff --git a/src/__tests__/app-error.unit.js b/src/__tests__/app-error.unit.js
index 31cf2af..a37b628 100644
--- a/src/__tests__/app-error.unit.js
+++ b/src/__tests__/app-error.unit.js
@@ -2,6 +2,63 @@ import { expect, describe, it } from '@jest/globals';
 import { AppError } from '../index.js';
 
 describe('App Error test', () => {
+    it('It should create a app error with minimum fields', () => {
+        const error = new AppError({
+            message: 'Example text',
+        });
+
+        expect(error instanceof AppError).toEqual(true);
+        expect(error instanceof Error).toEqual(true);
+        expect(error.name).toEqual('AppError');
+        expect(error.message).toEqual('Example text');
+        expect(error.value).toEqual(null);
+        expect(error.status).toEqual(500);
+        expect(error.type).toEqual(null);
+        expect(error.date.constructor).toEqual(Date);
+        expect(error.stack.includes('AppError: Example text')).toEqual(true);
+        expect(error.me).toEqual(null);
+    });
+
+    it('It should create a app error with null on optional fields', () => {
+        const error = new AppError({
+            value: null,
+            type: null,
+            message: 'Example text',
+            me: null,
+        });
+
+        expect(error instanceof AppError).toEqual(true);
+        expect(error instanceof Error).toEqual(true);
+        expect(error.name).toEqual('AppError');
+        expect(error.message).toEqual('Example text');
+        expect(error.value).toEqual(null);
+        expect(error.status).toEqual(500);
+        expect(error.type).toEqual(null);
+        expect(error.date.constructor).toEqual(Date);
+        expect(error.stack.includes('AppError: Example text')).toEqual(true);
+        expect(error.me).toEqual(null);
+    });
+
+    it('It should create a app error with undefined on optional fields', () => {
+        const error = new AppError({
+            value: undefined,
+            type: undefined,
+            message: 'Example text',
+            me: undefined,
+        });
+
+        expect(error instanceof AppError).toEqual(true);
+        expect(error instanceof Error).toEqual(true);
+        expect(error.name).toEqual('AppError');
+        expect(error.message).toEqual('Example text');
+        expect(error.value).toEqual(null);
+        expect(error.status).toEqual(500);
+        expect(error.type).toEqual(null);
+        expect(error.date.constructor).toEqual(Date);
+        expect(error.stack.includes('AppError: Example text')).toEqual(true);
+        expect(error.me).toEqual(null);
+    });
+
     it('It should create a app error', () => {
         const error = new AppError({
             value: 'test',