diff --git a/src/lib/annotations/annotations.html b/src/lib/annotations/annotations.html
index 560af7ed04..438d4fdc21 100644
--- a/src/lib/annotations/annotations.html
+++ b/src/lib/annotations/annotations.html
@@ -272,10 +272,10 @@
 
     _replaceSlotWithContent: function(slot) {
       var content = slot.ownerDocument.createElement('content');
-      var attrs = slot.attributes;
       while (slot.firstChild) {
         content.appendChild(slot.firstChild);
       }
+      var attrs = slot.attributes;
       for (var i=0; i<attrs.length; i++) {
         var attr = attrs[i];
         content.setAttribute(attr.name, attr.value);