diff --git a/js/app.js b/js/app.js
index bd3f81d25f..c295687906 100644
--- a/js/app.js
+++ b/js/app.js
@@ -113,38 +113,30 @@ function App() {
 			moduleFolder = `${__dirname}/../modules/default/${module}`;
 		}
 
-		const helperPath = `${moduleFolder}/node_helper.js`;
-
-		let loadHelper = true;
-		try {
-			fs.accessSync(helperPath, fs.R_OK);
-		} catch (e) {
-			loadHelper = false;
-			Log.log(`No helper found for module: ${moduleName}.`);
-		}
-
-		if (loadHelper) {
-			const Module = require(helperPath);
-			let m = new Module();
-
-			if (m.requiresVersion) {
-				Log.log(`Check MagicMirror² version for node helper '${moduleName}' - Minimum version: ${m.requiresVersion} - Current version: ${global.version}`);
-				if (cmpVersions(global.version, m.requiresVersion) >= 0) {
-					Log.log("Version is ok!");
-				} else {
-					Log.warn(`Version is incorrect. Skip module: '${moduleName}'`);
-					return;
+		resolveHelperLoader(moduleFolder)
+			.then(function (ModuleHelper) {
+				let m = new ModuleHelper();
+
+				if (m.requiresVersion) {
+					Log.log(`Check MagicMirror² version for node helper '${moduleName}' - Minimum version: ${m.requiresVersion} - Current version: ${global.version}`);
+					if (cmpVersions(global.version, m.requiresVersion) >= 0) {
+						Log.log("Version is ok!");
+					} else {
+						Log.warn(`Version is incorrect. Skip module: '${moduleName}'`);
+						return;
+					}
 				}
-			}
 
-			m.setName(moduleName);
-			m.setPath(path.resolve(moduleFolder));
-			nodeHelpers.push(m);
+				m.setName(moduleName);
+				m.setPath(path.resolve(moduleFolder));
+				nodeHelpers.push(m);
 
-			m.loaded(callback);
-		} else {
-			callback();
-		}
+				m.loaded(callback);
+			})
+			.catch(function (err) {
+				Log.log(`No helper found for module: ${moduleName}.`);
+				callback();
+			});
 	}
 
 	/**
@@ -200,6 +192,42 @@ function App() {
 		return segmentsA.length - segmentsB.length;
 	}
 
+	/**
+	 * Resolves a loader for the node_helper using either CommonJS or ESM depending on the file extension
+	 *
+	 * @param {string} moduleFolder the folder that should contain the node_helper
+	 * @returns {Promise} a promise that contains the loaded module
+	 */
+	function resolveHelperLoader(moduleFolder) {
+		const loaders = {
+			js: commonJSHelperLoader,
+			mjs: ESMHelperLoader
+		};
+
+		for (const extension in loaders) {
+			const helperPath = `${moduleFolder}/node_helper.${extension}`;
+
+			try {
+				fs.accessSync(helperPath, fs.R_OK);
+
+				return loaders[extension](helperPath);
+			} catch (e) {
+				// The current extension may not have been found, try the next instead
+			}
+		}
+
+		return Promise.reject();
+	}
+
+	async function commonJSHelperLoader(helperPath) {
+		return require(helperPath);
+	}
+
+	async function ESMHelperLoader(helperPath) {
+		let module = await import(helperPath);
+		return module.default;
+	}
+
 	/**
 	 * Start the core app.
 	 *