diff --git a/ext_tables.sql b/ext_tables.sql
index 63c8fac4de..74a71bc91a 100644
--- a/ext_tables.sql
+++ b/ext_tables.sql
@@ -62,8 +62,10 @@ CREATE TABLE tx_solr_indexqueue_item (
 
 	PRIMARY KEY (uid),
 	KEY changed (changed),
+	KEY root (root),
 	KEY indexing_priority_changed (indexing_priority, changed),
 	KEY item_id (item_type(191),item_uid),
+	KEY site_statistics (root,indexing_configuration),
 	KEY pages_mountpoint (item_type(191),item_uid,has_indexing_properties,pages_mountidentifier(191))
 ) ENGINE=InnoDB;