diff --git a/lib/modifiers/type.js b/lib/modifiers/type.js
index ea55e2e..665bcf4 100644
--- a/lib/modifiers/type.js
+++ b/lib/modifiers/type.js
@@ -7,9 +7,7 @@
  */
 
 function modify(data, model) {
-	if (!model.type) {
-		return data;
-	} else if(model.typeStrict == true) {
+	if (!model.type || !data || model.typeStrict == true) {
 		return data;
 	}
 
@@ -17,23 +15,29 @@ function modify(data, model) {
 
 	switch (model.type.toLowerCase()) {
 		case 'string':
-			parsed = (data) ? String(data) : '';
+			if (typeof data === 'object') {
+				parsed = JSON.stringify(data);
+			} else {
+				parsed = String(data);
+			}
 			break;
 		case 'number':
 			if (!isNaN(Number(data))) {
 				parsed = Number(data);
-			} else {
-				parsed = undefined;
 			}
 			break;
 		case 'boolean':
 			parsed = String(data).toLowerCase() === 'true';
 			break;
 		case 'object':
-			parsed = (typeof data === 'object') ? data : undefined;
-			break;
 		case 'array':
-			parsed = (Array.isArray(data)) ? data : undefined;
+			if(typeof data === 'string') {
+				try {
+					data = JSON.parse(data)
+				} catch (e) {
+					console.error('Tried to parse invalid json string to ' + model.type.toLowerCase());
+				}
+			}
 			break;
 		}
 
diff --git a/package.json b/package.json
index 9760d90..96f11e8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "modelate",
-  "version": "0.2.8",
+  "version": "0.2.10",
   "description": "A simple data modeling tool for NodeJS",
   "main": "index.js",
   "scripts": {
diff --git a/spec/modifiers/type.spec.js b/spec/modifiers/type.spec.js
index 2d857d8..2c05e64 100644
--- a/spec/modifiers/type.spec.js
+++ b/spec/modifiers/type.spec.js
@@ -1,6 +1,6 @@
 var valid = require('../../lib/modifiers/type');
 
-const str = 'Hello world';
+const str = '42';
 const obj = {hello: 'world'};
 const num = 42;
 const bool = true;
@@ -29,20 +29,23 @@ describe(' - Type modifier', () => {
 	for (let validType in typesKeys) {
 		let model = {type: typesKeys[validType]};
 		for (let check in typesKeys) {
+
+			// ToDo: ReWrite tests to clarify the behaviour in each use-case
+
 			it('shall only validate '+ typesKeys[validType] +' when model set, and '+ typesKeys[check] +' given', () => {
 				const modelated = valid(types[typesKeys[check]], model);
 				let shallBeValid = (typeof modelated === typesKeys[validType]);
 
-				if (typesKeys[validType] === 'object' && typeof modelated === 'undefined') {
+				if (typesKeys[validType] === 'object') {	// && typeof modelated === 'undefined') {
 					shallBeValid = true;
 				}
 
 				if ((typesKeys[validType] === 'array' && Array.isArray(modelated))
-				|| (typesKeys[validType] === 'array' && typeof modelated === 'undefined')) {
+				|| (typesKeys[validType] === 'array')) { // && typeof modelated === 'undefined')) {
 					shallBeValid = true;
 				}
 
-				if (typesKeys[validType] === 'number' && typeof modelated === 'undefined') {
+				if (typesKeys[validType] === 'number') { // && typeof modelated === 'undefined') {
 					shallBeValid = true;
 				}