Index: wp-admin/themes.php
===================================================================
--- wp-admin/themes.php	(revision 20808)
+++ wp-admin/themes.php	(working copy)
@@ -123,6 +123,7 @@
 		<a href="<?php echo wp_customize_url( $ct->get_stylesheet() ); ?>" class="load-customize hide-if-no-customize" title="<?php echo esc_attr( $customize_title ); ?>">
 			<img src="<?php echo esc_url( $screenshot ); ?>" alt="<?php esc_attr_e( 'Current theme preview' ); ?>" />
 		</a>
+		<img class="hide-if-customize" src="<?php echo esc_url( $screenshot ); ?>" alt="<?php esc_attr_e( 'Current theme preview' ); ?>" />
 	<?php endif; ?>
 
 	<h3><?php _e('Current Theme'); ?></h3>
@@ -279,4 +280,4 @@
 ?>
 </div>
 
-<?php require('./admin-footer.php'); ?>
\ No newline at end of file
+<?php require('./admin-footer.php'); ?>