diff --git a/typo3/sysext/core/ext_tables.sql b/typo3/sysext/core/ext_tables.sql
index 96282c3c7c5db97671dfb249fe9088fd6869e7f8..092115b6c557d7d34a5f0f3e3bf44e107be6a0ba 100644
--- a/typo3/sysext/core/ext_tables.sql
+++ b/typo3/sysext/core/ext_tables.sql
@@ -379,7 +379,9 @@ CREATE TABLE sys_log (
 	KEY user_auth (type,action,tstamp),
 	KEY request (request_id),
 	KEY combined_1 (tstamp, type, userid),
-	KEY errorcount (tstamp,error)
+	KEY errorcount (tstamp,error),
+	KEY channel (channel),
+	KEY level (level)
 ) ENGINE=InnoDB;
 
 #