diff --git a/sql/mysql/slashschema_create.sql b/sql/mysql/slashschema_create.sql
index a41cf2626..c1537aab1 100644
--- a/sql/mysql/slashschema_create.sql
+++ b/sql/mysql/slashschema_create.sql
@@ -62,7 +62,7 @@ CREATE TABLE accesslog (
 	section varchar(30) DEFAULT 'index' NOT NULL,
 	bytes mediumint UNSIGNED DEFAULT 0 NOT NULL,
 	INDEX host_addr_part (host_addr(16)),
-	INDEX op_part (op(12)),
+	INDEX op_part (op(12), section),
 	INDEX ts (ts),
 	PRIMARY KEY (id)
 ) TYPE = myisam;
diff --git a/sql/mysql/upgrades b/sql/mysql/upgrades
index 98bf8abeb..d25dfa319 100644
--- a/sql/mysql/upgrades
+++ b/sql/mysql/upgrades
@@ -747,5 +747,6 @@ INSERT INTO vars (name, value, description) VALUES ('offer_insecure_login_link',
 
 # End of T_2_3_0_47
 
+ALTER TABLE accesslog DROP INDEX op_part;
+ALTER TABLE accesslog ADD INDEX op_part (op(12), section);
 INSERT INTO vars (name, value, description) VALUES ('mod_unm2able_token_cost','1','What is the token cost of performing an un-M2able mod?');
-