diff --git a/packages/backend/migration/1695334243217-add-post-lang.js b/packages/backend/migration/1695334243217-add-post-lang.js
index 7e8618953a..47093e2dce 100644
--- a/packages/backend/migration/1695334243217-add-post-lang.js
+++ b/packages/backend/migration/1695334243217-add-post-lang.js
@@ -3,11 +3,11 @@ export class AddPostLang1695334243217 {
 
 	async up(queryRunner) {
 		await queryRunner.query(
-			`ALTER TABLE "note" ADD "lang" character varying(10)`,
+			`ALTER TABLE IF EXISTS "note" ADD "lang" character varying(10)`,
 		);
 	}
 
 	async down(queryRunner) {
-		await queryRunner.query(`ALTER TABLE "note" DROP COLUMN "lang"`);
+		await queryRunner.query(`ALTER TABLE IF EXISTS "note" DROP COLUMN "lang"`);
 	}
 }