--- a/menu_block_ignored_links.module
+++ b/menu_block_ignored_links.module
@@ -11,17 +11,17 @@
 function menu_block_ignored_links_form_alter(&$form, &$form_state, $form_id) {
   switch ($form_id) {
     case 'block_admin_configure':
-      if ($form['module']['#value'] == "menu_block") {
+      if ($form['module']['#value'] == 'menu_block') {
         $options = menu_parent_options(menu_get_menus(), array('mlid' => 0));
         $delta = $form['delta']['#value'];
-        $ignored_menus["ignored_menus_" . $form['delta']['#value']] = array(
-          "#title" => t('Ignored menus'),
-          "#type" => "select",
-          "#default_value" => variable_get("menu_block_{$delta}_ignored_menus"),
-          "#multiple" => TRUE,
-          "#weight" => -19,
-          "#size" => 15,
-          "#options" => $options,
+        $ignored_menus['ignored_menus_' . $form['delta']['#value']] = array(
+          'title' => t('Ignored menus'),
+          '#type' => 'select',
+          '#default_value' => variable_get("menu_block_{$delta}_ignored_menus"),
+          '#multiple' => TRUE,
+          '#weight' => -19,
+          '#size' => 15,
+          '#options' => $options,
         );
         $settings = &$form['settings'];
         $settings = menu_block_ignored_links_array_insert_after('#attached', $settings, $ignored_menus);