diff --git a/module/VuFind/src/VuFind/Controller/CombinedController.php b/module/VuFind/src/VuFind/Controller/CombinedController.php
index b9dbcbd0a5a20d3aef31fe6f22900fe181a0eb4c..350df2e29140a4d682b38b1dc4c3c872da98306f 100644
--- a/module/VuFind/src/VuFind/Controller/CombinedController.php
+++ b/module/VuFind/src/VuFind/Controller/CombinedController.php
@@ -166,7 +166,7 @@ class CombinedController extends AbstractSearch
             // Calculate a unique DOM id for this section of the search results;
             // $searchClassId may contain colons, which must be converted.
             $combinedResults[$current]['domId']
-                = 'combined_' . str_replace(':', '____', $searchClassId);
+                = 'combined_' . str_replace(':', '____', $current);
 
             $combinedResults[$current]['view']
                 = (!isset($settings['ajax']) || !$settings['ajax'])