diff --git a/templates/emails/email-order-items.php b/templates/emails/email-order-items.php
index 90daa9d9c8b..bede723077a 100644
--- a/templates/emails/email-order-items.php
+++ b/templates/emails/email-order-items.php
@@ -20,7 +20,7 @@ foreach ( $items as $item ) :
 
 			// Show title/image etc
 			if ( $show_image )
-				echo apply_filters( 'woocommerce_order_item_thumbnail', '<img src="' . current( wp_get_attachment_image_src( get_post_thumbnail_id( $_product->id ), 'thumbnail') ) .'" alt="Product Image" height="' . esc_attr( $image_size[1] ) . '" width="' . esc_attr( $image_size[0] ) . '" style="vertical-align:middle; margin-right: 10px;" />', $item );
+				echo apply_filters( 'woocommerce_order_item_thumbnail', '<img src="' . current( wp_get_attachment_image_src( get_post_thumbnail_id( $_product->id ), 'thumbnail') ) .'" alt="' . __( 'Product Image', 'woocommerce' ) . '" height="' . esc_attr( $image_size[1] ) . '" width="' . esc_attr( $image_size[0] ) . '" style="vertical-align:middle; margin-right: 10px;" />', $item );
 
 			// Product name
 			echo apply_filters( 'woocommerce_order_item_name', $item['name'], $item );
@@ -62,4 +62,4 @@ foreach ( $items as $item ) :
 		</tr>
 	<?php endif; ?>
 
-<?php endforeach; ?>
\ No newline at end of file
+<?php endforeach; ?>