diff --git a/README.md b/README.md
index 7d3f2ae..0fa0aec 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,7 @@ Changelog
 * Themes! Configure a different theme in config/stikked.php - or create your own
 * Multilanguage support. Configure a different language in config/stikked.php
 * Diff view for paste replies! View differences between the original paste and its reply
+ * see it in action: http://paste.scratchbook.ch/view/de81a093/diff
 * Possibility to set default expiration time
 * Updated GeSHi to version 1.0.8.11
 * Updated CodeMirror to version 3.11
diff --git a/htdocs/application/controllers/main.php b/htdocs/application/controllers/main.php
index aa9ff43..aa0136d 100644
--- a/htdocs/application/controllers/main.php
+++ b/htdocs/application/controllers/main.php
@@ -712,7 +712,7 @@ class Main extends CI_Controller
 		$this->form_validation->set_message('_autofill_check', lang('robot'));
 
 		//check
-		return !$this->input->post('email');
+		return (!$this->input->post('email') && !$this->input->post('url'));
 	}
 	
 	function _valid_authentication() 
diff --git a/htdocs/themes/default/css/main.css b/htdocs/themes/default/css/main.css
index cb5d03b..8666e92 100644
--- a/htdocs/themes/default/css/main.css
+++ b/htdocs/themes/default/css/main.css
@@ -164,7 +164,7 @@ h4 {
 	margin-bottom: 10px;
 }
 
-.hidden {
+.hidden, .email, .url {
 	display: none;
 }
 
diff --git a/htdocs/themes/default/views/defaults/paste_form.php b/htdocs/themes/default/views/defaults/paste_form.php
index 8a3d401..f6fbdc3 100644
--- a/htdocs/themes/default/views/defaults/paste_form.php
+++ b/htdocs/themes/default/views/defaults/paste_form.php
@@ -121,7 +121,9 @@
 <?php } ?>
 
 <?php
-    $set = array('name' => 'email', 'hidden' => 'hidden');
+    $set = array('name' => 'email', 'class' => 'email');
+    echo form_input($set);
+    $set = array('name' => 'url', 'class' => 'url');
     echo form_input($set);
 ?>