diff --git a/extlink.js b/extlink.js
index dadcf38..9b611c1 100644
--- a/extlink.js
+++ b/extlink.js
@@ -135,7 +135,7 @@ Drupal.extlink.applyClassAndSpan = function (links, class_name) {
   var length = $links_to_process.length;
   for (i = 0; i < length; i++) {
     var $link = $($links_to_process[i]);
-    if ($link.css('display') == 'inline' || $link.css('display') == 'inline-block') {
+    if ($link.css('display') == 'inline' || $link.css('display') == 'inline-block' || $link.css('display') == 'block') {
       if (class_name == Drupal.settings.extlink.mailtoClass) {
         $link.append('<span class="' + class_name + '"><span class="element-invisible"> ' + Drupal.settings.extlink.mailtoLabel + '</span></span>');
       }