diff --git a/src/Pecee/Http/Input/InputFile.php b/src/Pecee/Http/Input/InputFile.php
index 56faef5..c8c09f8 100644
--- a/src/Pecee/Http/Input/InputFile.php
+++ b/src/Pecee/Http/Input/InputFile.php
@@ -28,7 +28,7 @@ class InputFile implements IInputItem
      */
     public static function createFromArray(array $values)
     {
-        if (isset('index', $values) === false) {
+        if (isset($values['index']) === false) {
             throw new \InvalidArgumentException('Index key is required');
         }
 
diff --git a/src/Pecee/Http/Uri.php b/src/Pecee/Http/Uri.php
index 0ab926c..41daf26 100644
--- a/src/Pecee/Http/Uri.php
+++ b/src/Pecee/Http/Uri.php
@@ -134,7 +134,15 @@ class Uri
      */
     public function parseUrl($url, $component = -1)
     {
-        $parts = parse_url(urlencode($url), $component);
+        $encodedUrl = preg_replace_callback(
+            '%[^:/@?&=#]+%u',
+            function ($matches) {
+                return urlencode($matches[0]);
+            },
+            $url
+        );
+
+        $parts = parse_url($encodedUrl, $component);
 
         if ($parts === false) {
             throw new \InvalidArgumentException('Malformed URL: ' . $url);