diff --git a/js/app.js b/js/app.js
index 70244f8..1d60981 100644
--- a/js/app.js
+++ b/js/app.js
@@ -15,7 +15,7 @@ ready(function(){
   checkForAdminRights();
   displayVersion();
   reApplyPeriodically(require('electron-settings').get('settings.reapply_periodically'));
-  if (require('os').platform() === 'win32' && isDevMode()) {
+  if (isWindows() && isDevMode()) {
     recreateShortcut();
   }
   handlePlatformSpecificDisplay();
diff --git a/js/methods.js b/js/methods.js
index c686026..85cb0d9 100644
--- a/js/methods.js
+++ b/js/methods.js
@@ -193,7 +193,7 @@ function registerRepeaterForAllInput() {
  * Will display a warning if not.
  */
 function checkForAdminRights() {
-  if (require('os').platform() !== 'win32') {
+  if (!isWindows()) {
     const isRoot = process.getuid && process.getuid() === 0;
     if (!isRoot) {
       notification('danger',
@@ -214,6 +214,13 @@ function checkForAdminRights() {
 }
 }
 
+/**
+ * Check that the app is running on Windows.
+ */
+function isWindows() {
+  return require('os').platform() === 'win32';
+}
+
 /**
  * Will display a notification in ".notification-zone".
  * @param {string} type "primary", "warning", "danger" or "success".
@@ -235,7 +242,7 @@ function notification(type, message) {
 function getRyzenAdjExecutablePath() {
   const settings = require('electron-settings');
   var ryzen_adj_path = settings.get('settings.ryzen_adj_path');
-  if (!ryzen_adj_path && require('os').platform() === 'win32') {
+  if (!ryzen_adj_path && isWindows()) {
     ryzen_adj_path = getCurrentWorkingDirectory() + "\\bin\\ryzenadj.exe";
   }
   appendLog(`getRyzenAdjExecutablePath(): "${ryzen_adj_path}"`);
@@ -622,7 +629,7 @@ function toggleHpet(value) {
  */
 function handlePlatformSpecificDisplay() {
   var windows_only_elements = document.getElementsByClassName('windows-only');
-  if (require('os').platform() !== 'win32') {
+  if (!isWindows()) {
     for (const item of windows_only_elements) {
       item.setAttribute('hidden', 'true');
     }