diff --git a/MMM-MyCovid19.js b/MMM-MyCovid19.js
index 6f0e692..651d50d 100644
--- a/MMM-MyCovid19.js
+++ b/MMM-MyCovid19.js
@@ -9,11 +9,10 @@
 Module.register("MMM-MyCovid19", {
 	defaults: {
 		region: "Bonn",
-		updateInterval: 3 * 60 * 60 * 1000,    // 4h
+		updateInterval: 3 * 60 * 60 * 1000,    // 3h
 		fadeSpeed: 0,
 		showHeader: true,
 		appendLocationNameToHeader: true,
-		data_url: "https://rp-online.de/app/interaktiv_server/data/rki_nrw_mapped.json.php",
 	},
 	cases: {
 		new7: "N/A",
@@ -27,13 +26,13 @@ Module.register("MMM-MyCovid19", {
 
 	start: function() {
 		// init module and set update intervall
-		var self = this;
-		Log.log(this.name + ' is started!');
-		self.update_data();
+		var self = this
+		Log.log(self.name + ' is started!');
+		self.sendSocketNotification("{{MODULE_NAME}}-get_cases", self.config.region);
 		setInterval(function() {
-			self.update_data();
-			self.updateDom(this.config.fadeSpeed);
-		}, this.config.updateInterval);
+			self.sendSocketNotification("{{MODULE_NAME}}-get_cases", self.config.region);
+			self.updateDom(self.config.fadeSpeed);
+		}, self.config.updateInterval);
 	},
 
 	getHeader: function() {
@@ -62,20 +61,9 @@ Module.register("MMM-MyCovid19", {
 		return { cases: this.cases }
 	},
 
-	update_data: function() {
-		// get and parse json data from source
-		var xmlHttp = new XMLHttpRequest();
-		xmlHttp.open( "GET", this.config.data_url, false ); // false for synchronous request
-		xmlHttp.send( null );
-		data = JSON.parse(xmlHttp.responseText);
-
-		// extract data
-		this.cases.new7 = data[this.config.region]["last_7"];
-		this.cases.new7_100k = data[this.config.region]["last_7_100000"];
-		this.cases.active = data[this.config.region]["active"];
-		this.cases.total = data[this.config.region]["cases"];
-		this.cases.death = data[this.config.region]["tot"];
-		this.cases.cured = data[this.config.region]["gesund"];
-		this.cases.ts = data[this.config.region]["date"];
+	socketNotificationReceived: function(notification, payload) {
+		// receive cases from node_helper
+		this.cases = payload;
+		this.updateDom(this.config.fadeSpeed);
 	},
 });
diff --git a/node_helper.js b/node_helper.js
new file mode 100644
index 0000000..35983dc
--- /dev/null
+++ b/node_helper.js
@@ -0,0 +1,27 @@
+var NodeHelper = require("node_helper");
+const fetch = require("node-fetch");
+
+var data_url = "https://rp-online.de/app/interaktiv_server/data/rki_nrw_mapped.json.php";
+var cases = {}
+
+module.exports = NodeHelper.create({
+
+	socketNotificationReceived: function (notification, region) {
+		// get and parse json data from source
+		res = fetch(data_url)
+		.then(response=>response.json())
+		.then(data=>{
+			// extract data
+			cases.new7 = data[region]["last_7"];
+			cases.new7_100k = data[region]["last_7_100000"];
+			cases.active = data[region]["active"];
+			cases.total = data[region]["cases"];
+			cases.death = data[region]["tot"];
+			cases.cured = data[region]["gesund"];
+			cases.ts = data[region]["date"];
+
+			// send data back to module
+			this.sendSocketNotification("{{MODULE_NAME}}-set_cases", cases)
+		})
+        },
+});