JavaScript localStorage is null on options page

In the options page of a chrome extension, localStorage is null and thus can not be used.
Here are the files of the unpacked extension producing error.

manifest.json

{
    "name": "someTest",
    "version": "1.0",
    "manifest_version": 2,
    "description": "Not important",
    "icons": {
        "16": "icon16.png",
        "48": "icon48.png"
    },
    "options_page": "options.html"
}

options.html

<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Just a test</title>
</head>
<body>
    <script src="options.js"></script>
</body>
</html>

options.js

console.log(localStorage);

Accessing the options page, the console outputs null. When trying to change or access a property using localStorage['property'], it throws an error since localStorage is null.

I tried something like localStorage = {property: 'value'}; but it did not change anything, after that localStorage was still null.

I'm using chrome 28.0.1500.95 on Windows 8.

Edit: The issue is still there. However, I -for the moment- use an alternative, if it can help someone. I now use chrome storage.

Here is how it works.

manifest.json

"permissions": ["storage"]

options.js

//You can also use an array of strings instead of 'property' to get multiple values.
chrome.storage.local.get('property', function(data)
{
    if(!data.propery) return; //Not set
    console.log(data.property);
});
chrome.storage.local.set({property: 'value'}, function()
{
    console.log('saved');
});
//It can be used the same way directly in content scripts.

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