diff --git a/db_patches/mysql/patch-rename-indexes.sql b/db_patches/mysql/patch-rename-indexes.sql
index 0f31c7ab1..fc2bceee0 100644
--- a/db_patches/mysql/patch-rename-indexes.sql
+++ b/db_patches/mysql/patch-rename-indexes.sql
@@ -5,10 +5,12 @@ ALTER TABLE /*_*/abuse_filter
 	ADD INDEX /*i*/af_group_enabled(af_group,af_enabled,af_id);
 
 ALTER TABLE /*_*/abuse_filter_log
+	DROP INDEX /*i*/filter_timestamp,
 	DROP INDEX /*i*/filter_timestamp_full,
 	DROP INDEX /*i*/user_timestamp,
 	DROP INDEX /*i*/page_timestamp,
 	DROP INDEX /*i*/ip_timestamp;
+CREATE INDEX /*i*/afl_filter_timestamp ON /*$wgDBprefix*/abuse_filter_log (afl_filter,afl_timestamp);
 CREATE INDEX /*i*/afl_filter_timestamp_full ON /*$wgDBprefix*/abuse_filter_log (afl_global,afl_filter_id,afl_timestamp);
 CREATE INDEX /*i*/afl_user_timestamp ON /*$wgDBprefix*/abuse_filter_log (afl_user,afl_user_text,afl_timestamp);
 CREATE INDEX /*i*/afl_page_timestamp ON /*$wgDBprefix*/abuse_filter_log (afl_namespace, afl_title, afl_timestamp);