diff --git a/client/basic/client.ts b/client/basic/client.ts
index 2ca55d3..bef8663 100644
--- a/client/basic/client.ts
+++ b/client/basic/client.ts
@@ -334,7 +334,7 @@ export class SMTPClient {
     ) {
       this.#connection.writeCmdAndAssert(CommandCode.READY, "STARTTLS");
 
-      await this.#connection.cleanupForStartTLS()
+      await this.#connection.cleanupForStartTLS();
 
       const conn = await Deno.startTls(this.#connection.conn, {
         hostname: this.config.connection.hostname,
diff --git a/client/basic/connection.ts b/client/basic/connection.ts
index 91331f8..d7f10da 100644
--- a/client/basic/connection.ts
+++ b/client/basic/connection.ts
@@ -37,8 +37,8 @@ export class SMTPConnection {
   }
 
   async cleanupForStartTLS() {
-  await this.#reader.cancel()
-   await this.#writer.close()
+    await this.#reader.cancel();
+    await this.#writer.close();
   }
 
   async readLine() {
@@ -71,7 +71,6 @@ export class SMTPConnection {
     }
   }
 
-
   public assertCode(cmd: Command | null, code: number, msg?: string) {
     if (!cmd) {
       throw new Error(`invalid cmd`);