diff --git a/themes/original/css/theme_right.css.php b/themes/original/css/theme_right.css.php
index c0dfd7e1c..355146bce 100644
--- a/themes/original/css/theme_right.css.php
+++ b/themes/original/css/theme_right.css.php
@@ -353,13 +353,13 @@ img.lightbulb {
 }
 
 /* leave some space between icons and text */
-.icon, .footnotemarker {
+.icon, img.footnotemarker {
     vertical-align:     middle;
     margin-right:       0.3em;
     margin-left:        0.3em;
 }
 
-.footnotemarker {
+img.footnotemarker {
     display: none;
 }