diff --git a/rpi/antRender.py b/rpi/antRender.py
index 0b22f16..9b01344 100644
--- a/rpi/antRender.py
+++ b/rpi/antRender.py
@@ -136,8 +136,8 @@ def on_connect(client, userdata, flags, response_code):
 def on_message(client, userdata, message):
     print("Received message '" + str(message.payload) + "' on topic '"
           + message.topic + "' with QoS " + str(message.qos))
-    pin_number = str(message.payload)[12:13]
-    pin_state = str(message.payload)[6:9]
+    pin_number = str(message.payload)[12:14]
+    pin_state = str(message.payload)[6:10]
     print("pin number: " + pin_number+ " pin state: " + pin_state)
     proot_state = ProotState()
     proot_state.blink()