diff --git a/mailbox/src/main/java/org/briarproject/mailbox/MailboxService.kt b/mailbox/src/main/java/org/briarproject/mailbox/MailboxService.kt
index a152a51bfe6cf3e48397297cb58d037c884bc95e..450097e2299aa6f2f1ac9bbcebff5cb17cd40b92 100644
--- a/mailbox/src/main/java/org/briarproject/mailbox/MailboxService.kt
+++ b/mailbox/src/main/java/org/briarproject/mailbox/MailboxService.kt
@@ -41,15 +41,15 @@ class MailboxService : Service() {
         createNotificationChannel()
         val notificationIntent = Intent(this, MainActivity::class.java)
         val pendingIntent = PendingIntent.getActivity(
-                this, 0, notificationIntent, 0
+            this, 0, notificationIntent, 0
         )
 
         val notification = NotificationCompat.Builder(this, CHANNEL_ID)
-                .setContentTitle(NOTIFICATION_MAIN_TITLE)
-                .setContentText(input)
-                .setSmallIcon(R.drawable.ic_launcher_foreground)
-                .setContentIntent(pendingIntent)
-                .build()
+            .setContentTitle(NOTIFICATION_MAIN_TITLE)
+            .setContentText(input)
+            .setSmallIcon(R.drawable.ic_launcher_foreground)
+            .setContentIntent(pendingIntent)
+            .build()
 
         startForeground(NOTIFICATION_MAIN_ID, notification)
         return START_NOT_STICKY
@@ -61,8 +61,10 @@ class MailboxService : Service() {
 
     private fun createNotificationChannel() {
         if (VERSION.SDK_INT >= VERSION_CODES.O) {
-            val serviceChannel = NotificationChannel(CHANNEL_ID, CHANNEL_NAME,
-                    NotificationManager.IMPORTANCE_DEFAULT)
+            val serviceChannel = NotificationChannel(
+                CHANNEL_ID, CHANNEL_NAME,
+                NotificationManager.IMPORTANCE_DEFAULT
+            )
 
             val manager = getSystemService(NotificationManager::class.java)
             manager!!.createNotificationChannel(serviceChannel)
diff --git a/mailbox/src/main/java/org/briarproject/mailbox/MailboxViewModel.kt b/mailbox/src/main/java/org/briarproject/mailbox/MailboxViewModel.kt
index be4b4fafe65bb2f7bd88cb88dc8be37a9993aba4..e10d86d4fe022dd51f44f37d784cd283af4f653f 100644
--- a/mailbox/src/main/java/org/briarproject/mailbox/MailboxViewModel.kt
+++ b/mailbox/src/main/java/org/briarproject/mailbox/MailboxViewModel.kt
@@ -4,6 +4,6 @@ import javax.inject.Inject
 
 class MailboxViewModel @Inject constructor() {
 
-    val text = "Hello Mailbox";
+    val text = "Hello Mailbox"
 
 }
\ No newline at end of file
diff --git a/mailbox/src/main/java/org/briarproject/mailbox/MainActivity.kt b/mailbox/src/main/java/org/briarproject/mailbox/MainActivity.kt
index 04d715a3820ef2abe4a4ac81b1c30507fa86c154..634d1e8813593c3ffbc188e16de23aa1b4f40c9d 100644
--- a/mailbox/src/main/java/org/briarproject/mailbox/MainActivity.kt
+++ b/mailbox/src/main/java/org/briarproject/mailbox/MainActivity.kt
@@ -1,8 +1,8 @@
 package org.briarproject.mailbox
 
-import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.widget.TextView
+import androidx.appcompat.app.AppCompatActivity
 import javax.inject.Inject
 
 class MainActivity : AppCompatActivity() {
@@ -18,6 +18,6 @@ class MainActivity : AppCompatActivity() {
         setContentView(R.layout.activity_main)
 
         val textView = findViewById<TextView>(R.id.text)
-        textView.setText(mailboxViewModel.text)
+        textView.text = mailboxViewModel.text
     }
 }
\ No newline at end of file