diff --git a/facetapi.theme.inc b/facetapi.theme.inc
index dcf2038..be87b19 100644
--- a/facetapi.theme.inc
+++ b/facetapi.theme.inc
@@ -146,7 +146,7 @@ function theme_facetapi_count($variables) {
  * @ingroup themable
  */
 function theme_facetapi_activate_widget($variables) {
-  return '<span class="filter-cion" aria-hidden="true"></span>';
+  return '<span class="filter-cion activate" aria-hidden="true"></span>';
 }
 
 /**
@@ -163,7 +163,7 @@ function theme_facetapi_activate_widget($variables) {
  * @ingroup themable
  */
 function theme_facetapi_deactivate_widget($variables) {
-  return '<span class="filter-cion" aria-hidden="true">(-)</span>';
+  return '<span class="filter-cion deactivate" aria-hidden="true">(-)</span>';
 }
 
 /**