diff --git a/search_api.install b/search_api.install
index 6db9ebb..850b828 100644
--- a/search_api.install
+++ b/search_api.install
@@ -966,6 +966,10 @@ function search_api_update_7116() {
     $insert = db_insert('search_api_task')
       ->fields(array('server_id', 'type', 'index_id', 'data'));
     foreach ($tasks as $task) {
+      $task += array(
+        'index_id' => NULL,
+        'data' => NULL,
+      );
       $insert->values($task);
     }
     $insert->execute();