diff --git a/src/apps/SettingsWindow/src/AppDelegate.swift b/src/apps/SettingsWindow/src/AppDelegate.swift
index 2dc5a7fe3..3c583c999 100644
--- a/src/apps/SettingsWindow/src/AppDelegate.swift
+++ b/src/apps/SettingsWindow/src/AppDelegate.swift
@@ -61,7 +61,8 @@ public class AppDelegate: NSObject, NSApplicationDelegate {
       switch command {
       case "checkForUpdatesInBackground":
         #if USE_SPARKLE
-          if !libkrbn_lock_single_application_with_user_pid_file("check_for_updates_in_background.pid")
+          if !libkrbn_lock_single_application_with_user_pid_file(
+            "check_for_updates_in_background.pid")
           {
             print("Exit since another process is running.")
             NSApplication.shared.terminate(self)