diff --git a/volumes/proc/app.py b/volumes/proc/app.py
index 2a7a309..4858f59 100644
--- a/volumes/proc/app.py
+++ b/volumes/proc/app.py
@@ -299,7 +299,7 @@ def handle_mqtt_message(client, userdata, message):
         az =az[::10].tolist(),
         el =el[::10].tolist(),
         saz =saz[::10].tolist(),
-        sel =saz[::10].tolist(),
+        sel =sel[::10].tolist(),
         topic = message.topic,
         payload = payload,
         qos = message.qos,