diff --git a/src/anchor_pkg/anchor_pkg/anchor_node.py b/src/anchor_pkg/anchor_pkg/anchor_node.py
index ac5c450..9098775 100644
--- a/src/anchor_pkg/anchor_pkg/anchor_node.py
+++ b/src/anchor_pkg/anchor_pkg/anchor_node.py
@@ -108,8 +108,9 @@ class SerialRelay(Node):
             self.exit(1)
 
     def send_cmd(self, msg):
+        message = msg.data
         self.get_logger().info(f"Sending command to MCU: {msg}")
-        self.ser.write(bytes(msg, "utf8"))
+        self.ser.write(bytes(message, "utf8"))
 
     @staticmethod
     def list_serial_ports():