diff --git a/src/api_communication/api_communication/api_listener.py b/src/api_communication/api_communication/api_listener.py
index 2f7a0e31..1a7cd559 100644
--- a/src/api_communication/api_communication/api_listener.py
+++ b/src/api_communication/api_communication/api_listener.py
@@ -123,7 +123,7 @@ class ApiListener(Node):
             message_json = json.loads(str(message))
             self.get_logger().info(f'JSON: {str(message_json)}, type:{type(message_json)}')
             self.get_logger().info(f'JSON CMD: {str(message_json["command"])}, type:{type(message_json["command"])}')
-            if not message_json["command"]:
+            if not "command" in message_json:
                 self.get_logger().error('Received message without command')
                 self.send_available_commands()
             else: