diff --git a/js/jquery.nice-select.js b/js/jquery.nice-select.js
index 57fe3b2..add2637 100644
--- a/js/jquery.nice-select.js
+++ b/js/jquery.nice-select.js
@@ -78,7 +78,8 @@
           .attr('data-display', (display || null))
           .addClass('option' +
             ($option.is(':selected') ? ' selected' : '') +
-            ($option.is(':disabled') ? ' disabled' : ''))
+            ($option.is(':disabled') ? ' disabled' : '') +
+            ($option.is('[class]') ? ' ' + $option.attr('class') : ''))
           .html($option.text())
         );
       });
@@ -187,4 +188,4 @@
 
   };
 
-}(jQuery));
\ No newline at end of file
+}(jQuery));