Laravel 5 User activation

I have a strange problem that I can't solve.

When a user is registered, I redirect them to a feed url, open a modal and tell my user to activate his account by clicking the email link that I sent them. But after I click the link, I keep being redirected to the exact same page (feed) and my account isn't being activated. What could be the problem here?

routes.php

Route::group(['namespace' => 'Auth'], function ()
{
    Route::group(['middleware' => 'auth'], function ()
    {
        Route::get('activate/{token}', 'PasswordController@activate');
    });
});

PasswordController

public function activate($token) {
    //get token value.
    // find the user that belongs to that token.
    $activation = User::where("confirmation_code", $token)->get()->first();
    $activation->confirmed = 1;
    $activation->save();
}

RedirectIfAuthenticated.php If I remove feed url, it works. But I don't want to do that.

public function handle($request, Closure $next)
{
    if ($this->auth->check()) {

        return redirect('/feed');
    }

    return $next($request);
}

via Chebli Mohamed