diff --git a/packages/backend/src/server/api/mastodon/endpoints/account.ts b/packages/backend/src/server/api/mastodon/endpoints/account.ts
index 63817c3782..23c96281f0 100644
--- a/packages/backend/src/server/api/mastodon/endpoints/account.ts
+++ b/packages/backend/src/server/api/mastodon/endpoints/account.ts
@@ -34,7 +34,7 @@ export class ApiAccountMastodon {
 	public async verifyCredentials() {
 		try {
 			const data = await this.client.verifyAccountCredentials();
-			let acct = data.data;
+			const acct = data.data;
 			acct.id = convertId(acct.id, IdType.MastodonId);
 			acct.display_name = acct.display_name || acct.username;
 			acct.url = `${this.BASE_URL}/@${acct.url}`;
diff --git a/packages/backend/src/server/api/mastodon/endpoints/notifications.ts b/packages/backend/src/server/api/mastodon/endpoints/notifications.ts
index 1dbb8d8b72..dc801dd053 100644
--- a/packages/backend/src/server/api/mastodon/endpoints/notifications.ts
+++ b/packages/backend/src/server/api/mastodon/endpoints/notifications.ts
@@ -22,7 +22,7 @@ export class ApiNotifyMastodon {
 			const data = await this.client.getNotifications( convertTimelinesArgsId(toLimitToInt(this.request.query)) );
 			const notifs = data.data;
 			const processed = notifs.map((n: Entity.Notification) => {
-				let convertedn = convertNotification(n);
+				const convertedn = convertNotification(n);
 				if (convertedn.type !== 'follow' && convertedn.type !== 'follow_request') {
 					if (convertedn.type === 'reaction') convertedn.type = 'favourite';
 					return convertedn;