diff --git a/includes/simplenews.admin.inc b/includes/simplenews.admin.inc
index 2170f52..557a6e9 100644
--- a/includes/simplenews.admin.inc
+++ b/includes/simplenews.admin.inc
@@ -534,7 +534,7 @@ function simplenews_admin_category_form($form, &$form_state, $edit = array()) {
     '#type' => 'textfield',
     '#title' => t('From name'),
     '#size' => 60,
-    '#maxlength' => 128,
+    '#maxlength' => 64,
     '#default_value' => $edit['from_name'],
   );
 
@@ -1281,7 +1281,7 @@ function simplenews_admin_settings_newsletter($form, &$form_state) {
     '#type' => 'textfield',
     '#title' => t('From name'),
     '#size' => 60,
-    '#maxlength' => 128,
+    '#maxlength' => 64,
     '#default_value' => variable_get('simplenews_from_name', variable_get('site_name', 'Drupal')),
   );
   $form['simplenews_sender_info']['simplenews_from_address'] = array(