diff --git a/src/utils.js b/src/utils.js
index 0834f03..c637104 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -53,6 +53,20 @@ export function convertAttributeValue (value, name, { type } = {}) {
   } else if (isNumber(type)) {
     const parsed = parseFloat(value, 10)
     return isNaN(parsed) ? value : parsed
+  } else if (type.name == 'Array') {
+    try {
+      var parsed = JSON.parse(value);
+      return parsed && Array.isArray(parsed) ? parsed : [];
+    } catch (err) {
+      return [];
+    }
+  } else if (type.name == 'Object') {
+    try {
+      var parsed = JSON.parse(value);
+      return parsed && typeof parsed === 'object' ? parsed : {};
+    } catch (err) {
+      return {};
+    }
   } else {
     return value
   }
diff --git a/test/fixtures/attributes.html b/test/fixtures/attributes.html
index de789f4..b4edb48 100644
--- a/test/fixtures/attributes.html
+++ b/test/fixtures/attributes.html
@@ -13,6 +13,24 @@
     },
     someNumber: {
       type: Number
+    },
+    aList: {
+      type: Array
+    },
+    notAList: {
+      type: Array,
+      default: function(){
+        return [1,2,3];
+      }
+    },
+    anObject: {
+      type: Object
+    },
+    notAnObject: {
+      type: Object,
+      default: function(){
+        return {'a':1, 'b':2};
+      }
     }
   }
 }))
@@ -20,4 +38,6 @@
 window.el = document.querySelector('my-element')
 </script>
 
-<my-element foo="foo" bar="true" some-number="123"></my-element>
+<my-element foo="foo" bar="true" some-number="123"
+a-list="[1,2,3]" not-a-list='invalid JSON this is'
+an-object='{"a": 1, "b": 2}' not-an-object='invalid JSON this is'></my-element>
diff --git a/test/test.js b/test/test.js
index 9423d7a..40211ca 100644
--- a/test/test.js
+++ b/test/test.js
@@ -16,9 +16,9 @@ test('properties', async () => {
     el.foo = 234
     el.someProp = 'lol'
   })
-  const newFoo = await page.evaluate(()  => el.vueComponent.foo)
+  const newFoo = await page.evaluate(() => el.vueComponent.foo)
   expect(newFoo).toBe(234)
-  const newBar = await page.evaluate(()  => el.vueComponent.someProp)
+  const newBar = await page.evaluate(() => el.vueComponent.someProp)
   expect(newBar).toBe('lol')
 })
 
@@ -37,17 +37,41 @@ test('attributes', async () => {
   const someNumber = await page.evaluate(() => el.someNumber)
   expect(someNumber).toBe(123)
 
+  // aList='[1,2,3]'
+  const aList = await page.evaluate(() => el.aList)
+  expect(aList).toEqual([1, 2, 3])
+
+  // notAList='[]'
+  const notAList = await page.evaluate(() => el.notAList)
+  expect(notAList).toEqual([])
+
+  // anObject='{"a": 1, "b": 2}'
+  const anObject = await page.evaluate(() => el.anObject)
+  expect(anObject).toEqual({ 'a': 1, 'b': 2 })
+
+  // notAnObject='{}'
+  const notAnObject = await page.evaluate(() => el.notAnObject)
+  expect(notAnObject).toEqual({})
+
   // set via attribute
   await page.evaluate(() => {
     el.setAttribute('foo', 'foo')
     el.setAttribute('bar', 'false')
     el.setAttribute('some-number', '234')
+    el.setAttribute('a-list', '[4,5,6]')
+    el.setAttribute('not-a-list', 'invalid JSON')
+    el.setAttribute('an-object', '{"c": 3, "d": 4}')
+    el.setAttribute('not-an-object', 'invalid JSON')
   })
 
   // boolean="boolean"
   expect(await page.evaluate(() => el.foo)).toBe(true)
   expect(await page.evaluate(() => el.bar)).toBe(false)
   expect(await page.evaluate(() => el.someNumber)).toBe(234)
+  expect(await page.evaluate(() => el.aList)).toEqual([4, 5, 6])
+  expect(await page.evaluate(() => el.notAList)).toEqual([])
+  expect(await page.evaluate(() => el.anObject)).toEqual({ 'c': 3, 'd': 4 })
+  expect(await page.evaluate(() => el.notAnObject)).toEqual({})
 })
 
 test('events', async () => {