diff --git a/sites/all/modules/contrib/facetapi/plugins/facetapi/widget.inc b/sites/all/modules/contrib/facetapi/plugins/facetapi/widget.inc
index 7eb02cc..81c965f 100644
--- a/sites/all/modules/contrib/facetapi/plugins/facetapi/widget.inc
+++ b/sites/all/modules/contrib/facetapi/plugins/facetapi/widget.inc
@@ -106,7 +106,7 @@ abstract class FacetapiWidget {
       $this->facet['field alias'] => $this->facet->getBuild(),
       '#attributes' => array(
         'class' => $classes,
-        'id' => "facetapi-facet-$searcher-{$this->realm['name']}-{$this->facet['name']}",
+        'id' => 'facetapi-' . facetapi_hash_delta("facet-$searcher-{$this->realm['name']}-{$this->facet['name']}"),
       ),
     );