diff --git a/types/nodemailer/nodemailer-tests.ts b/types/nodemailer/nodemailer-tests.ts
index b3218ba1ab..6f045df08b 100644
--- a/types/nodemailer/nodemailer-tests.ts
+++ b/types/nodemailer/nodemailer-tests.ts
@@ -726,8 +726,8 @@ function sendmail_test() {
 
 // line ending transforms using windows-style newlines
 
-function sendmail_line_endings_windows_test () {
-    function process_le (mail: MailMessage) {
+function sendmail_line_endings_windows_test() {
+    function process_le(mail: MailMessage) {
         const input = mail.message.createReadStream();
         input.pipe(new LeWindows());
     }
@@ -742,7 +742,6 @@ function sendmail_line_endings_unix_test() {
     }
 }
 
-
 // 5. SES transport
 
 // Send a message using SES transport
@@ -1366,4 +1365,4 @@ function well_known_test() {
     if (options) {
         console.log(options.host, options.port, options.secure);
     }
-}
\ No newline at end of file
+}