diff --git a/js/id/svg/tag_classes.js b/js/id/svg/tag_classes.js
index 711e4b6a3..495c79e47 100644
--- a/js/id/svg/tag_classes.js
+++ b/js/id/svg/tag_classes.js
@@ -21,7 +21,7 @@ iD.svg.TagClasses = function() {
                 classes.push('tag-' + k + '-' + tags[k]);
             }
 
-            return this.className = classes.join(' ');
+            return d3.select(this).attr('class', classes.join(' '));
         });
     };
 };