diff --git a/contrib/search_api_views/search_api_views.module b/contrib/search_api_views/search_api_views.module
index 7a65d73..f559714 100644
--- a/contrib/search_api_views/search_api_views.module
+++ b/contrib/search_api_views/search_api_views.module
@@ -21,9 +21,19 @@ function search_api_views_search_api_index_insert(SearchApiIndex $index) {
  * Implements hook_search_api_index_update().
  */
 function search_api_views_search_api_index_update(SearchApiIndex $index) {
+  // Check whether index was disabled.
   if (!$index->enabled && $index->original->enabled) {
     _search_api_views_index_unavailable($index);
   }
+
+  // Check whether the indexed fields changed.
+  $old_fields = $index->original->options + array('fields' => array());
+  $old_fields = $old_fields['fields'];
+  $new_fields = $index->options + array('fields' => array());
+  $new_fields = $new_fields['fields'];
+  if ($old_fields != $new_fields) {
+    views_invalidate_cache();
+  }
 }
 
 /**