diff --git a/twitter_signin/twitter_signin.module b/twitter_signin/twitter_signin.module
index 2a34665..67cb629 100644
--- a/twitter_signin/twitter_signin.module
+++ b/twitter_signin/twitter_signin.module
@@ -103,12 +103,14 @@ function twitter_signin_form_alter(&$form, $form_state, $form_id) {
   }
 
   if ($form_id == 'user_login' || $form_id == 'user_login_block') {
-    $items = array();
-    $items[] = twitter_signin_button();
+    if(variable_get('twitter_signin_login',TRUE)){
+      $items = array();
+      $items[] = twitter_signin_button();
 
-    $form['twitter_signin'] = array(
-      '#markup' => theme('item_list', array('items' => $items)),
-    );
+      $form['twitter_signin'] = array(
+        '#markup' => theme('item_list', array('items' => $items)),
+      );
+    }
   }
   elseif ($form_id == 'user_register_form' && isset($_SESSION['twitter']['values'])) {
     $form['account']['name']['#default_value'] = $_SESSION['twitter']['values']['screen_name'];
diff --git a/twitter_signin/twitter_signin.pages.inc b/twitter_signin/twitter_signin.pages.inc
index d536bcf..33e9520 100644
--- a/twitter_signin/twitter_signin.pages.inc
+++ b/twitter_signin/twitter_signin.pages.inc
@@ -15,6 +15,11 @@ function twitter_signin_admin_settings($form, &$form_state) {
     $options[$image->filename] = theme('image', array('path' => $image->uri));
   }
 
+$form['twitter_signin_login'] = array(
+    '#type' =>  'checkbox',
+    '#title' => t('Add button to user login form'),
+    '#default_value' => variable_get('twitter_signin_login', TRUE),
+  );
   $form['twitter_signin_button'] = array(
     '#type' =>  'radios',
     '#title' => t('Select sign-in button'),