diff --git a/src/Python/flask/web/app.py b/src/Python/flask/web/app.py
index ff51185..fc67fba 100644
--- a/src/Python/flask/web/app.py
+++ b/src/Python/flask/web/app.py
@@ -15,7 +15,7 @@ def on_message(client,userdata, message):
     if message.topic == "kobuki/data":
         kobuki_message = str(message.payload.decode("utf-8"))
         with app.app_context():
-            sensor_data(data)  # Sla de data op in de database
+            sensor_data(json.loads(kobuki_message))  # Sla de data op in de database
     elif message.topic == "kobuki/cam":
         latest_image = message.payload