diff --git a/packages/backend/migration/1706739426946-Pgroonga.js b/packages/backend/migration/1706739426946-Pgroonga.js
index dd511d69da59..cab14eb1dcf4 100644
--- a/packages/backend/migration/1706739426946-Pgroonga.js
+++ b/packages/backend/migration/1706739426946-Pgroonga.js
@@ -3,13 +3,13 @@ export class Pgroonga1706739426946 {
 
 		async up(queryRunner) {
 			await queryRunner.query(`CREATE EXTENSION IF NOT EXISTS pgroonga;`);
-			await queryRunner.query(`CREATE INDEX IF NOT EXISTS pgroonga_index ON "note" USING pgroonga (text);`);
-			await queryRunner.query(`CREATE INDEX IF NOT EXISTS pgroonga_index ON "user" USING pgroonga (name pgroonga_varchar_full_text_search_ops_v2);`);
-			await queryRunner.query(`CREATE INDEX IF NOT EXISTS pgroonga_index ON "user_profile" USING pgroonga (description pgroonga_varchar_full_text_search_ops_v2);`);
+			await queryRunner.query(`CREATE INDEX IF NOT EXISTS pgroonga_index ON "note" USING "pgroonga" ("text");`);
+			await queryRunner.query(`CREATE INDEX IF NOT EXISTS pgroonga_index ON "user" USING "pgroonga" ("name" pgroonga_varchar_full_text_search_ops_v2);`);
+			await queryRunner.query(`CREATE INDEX IF NOT EXISTS pgroonga_index ON "user_profile" USING "pgroonga" (description pgroonga_varchar_full_text_search_ops_v2);`);
 		}
 
 		async down(queryRunner) {
-			await queryRunner.query(`DROP EXTENSION IF EXISTS pgroonga;`);
+			// await queryRunner.query(`DROP EXTENSION IF EXISTS pgroonga;`);
 			await queryRunner.query(`DROP INDEX IF EXISTS pgroonga_index;`);
 		}
 }