diff --git a/lib/get-tts-voices.js b/lib/get-tts-voices.js
index 37cd107..6d097f8 100644
--- a/lib/get-tts-voices.js
+++ b/lib/get-tts-voices.js
@@ -108,13 +108,13 @@ const getAwsVoices = async(_client, createHash, retrieveHash, logger, credential
       client = new PollyClient({
         region,
         credentials: await getAwsAuthToken(
-          logger, createHash, retrieveHash, 
+          logger, createHash, retrieveHash,
           {
             accessKeyId: null,
             secretAccessKey: null,
             region,
             RoleArn: roleArn
-        }),
+         }),
       });
     } else {
       client = new PollyClient({region});