diff --git a/src/app.py b/src/app.py
index db6c08e..67b5e2b 100644
--- a/src/app.py
+++ b/src/app.py
@@ -2,7 +2,7 @@
 HTTP API to trigger unlock through MQTT
 '''
 
-from time import sleep
+import time
 from bottle import Bottle, get, request, run
 import paho.mqtt.client as mqtt
 
@@ -15,6 +15,10 @@ mqttc.loop_start()
 
 app = application = Bottle()
 
+@app.route('/')
+def index():
+    return "<div>Hello world</div>"
+
 @app.route('/unlock')
 def unlock():
     deviceID = request.query.get('deviceID')
@@ -22,15 +26,19 @@ def unlock():
     delay = request.query.get('delay')
 
     if apiKey == "c5S8De2TTPkDhkXREzSP":
-        if delay > 0:
-            sleep(delay)
+        try:
+            if int(delay) > 0:
+                time.sleep(int(delay))
+        except:
+            pass
         result = mqttc.publish("devices/main-door/unlock/unlock/set", "true")
         result.wait_for_publish()
-        return "<div>Unlocked!</div>"
+        return "<div>" + str(delay) + " Unlocked!</div>"
     return "<div>Hello World</div>"
 
 if __name__ == '__main__':
         run(
+            app=app,
             host='localhost',
             port=8000)