diff --git a/wp-admin/options-media.php b/wp-admin/options-media.php
index fb6bb3c0b2..2998649855 100644
--- a/wp-admin/options-media.php
+++ b/wp-admin/options-media.php
@@ -88,7 +88,7 @@ include('admin-header.php');
 <th scope="row"><?php _e('Default image size') ?></th> 
 <td><fieldset><legend class="hidden"><?php _e('Default image size') ?></legend> 
 <?php 
-    $size_names = array('' => 'Auto', 'thumbnail' => 'Thumbnail', 'medium' => 'Medium', 'large' => 'Large', 'full' => 'Full size'); 
+    $size_names = array('' => __('Auto'), 'thumbnail' => __('Thumbnail'), 'medium' => __('Medium'), 'large' => __('Large'), 'full' => __('Full size')); 
     foreach ($size_names as $size => $name) { ?> 
         <input type="radio" name="image_default_size" id="image_default_size_<?php echo $size; ?>" value="<?php echo $size; ?>"<?php echo (get_option('image_default_size') == $size ? ' checked="checked"' : ''); ?> />             
         <label for="image_default_size_<?php echo $size; ?>"><?php _e($name); ?></label>