diff --git a/application/views/scripts/javascripts/items-search.js b/application/views/scripts/javascripts/items-search.js
index a3d548474..4bccfb42e 100644
--- a/application/views/scripts/javascripts/items-search.js
+++ b/application/views/scripts/javascripts/items-search.js
@@ -18,6 +18,9 @@ Omeka.Search = {};
 
         function incrementScreenReaderLabels(attribute, element, index) {
             var oldAttribute = element.attr(attribute);
+            if (!oldAttribute) {
+                return;
+            }
             var newAttribute = oldAttribute.replace(/\d+/, parseInt(index) + 1);
             element.attr(attribute, newAttribute);
         }