diff --git a/src/arm_pkg/arm_pkg/arm_node.py b/src/arm_pkg/arm_pkg/arm_node.py
index 3cffcbb..4ebacf8 100644
--- a/src/arm_pkg/arm_pkg/arm_node.py
+++ b/src/arm_pkg/arm_pkg/arm_node.py
@@ -273,7 +273,7 @@ class SerialRelay(Node):
             output.data = msg
             self.anchor_pub.publish(output)
         elif self.launch_mode == 'arm': #if in standalone mode, send to MCU directly
-            self.get_logger().info(f"[Arm to MCU] {msg}")
+            self.get_logger().info(f"[Arm to MCU] {msg.data}")
             self.ser.write(bytes(msg, "utf8"))
 
     def anchor_feedback(self, msg: String):
diff --git a/src/core_pkg/core_pkg/core_node.py b/src/core_pkg/core_pkg/core_node.py
index baaaa2d..ac50a69 100644
--- a/src/core_pkg/core_pkg/core_node.py
+++ b/src/core_pkg/core_pkg/core_node.py
@@ -191,7 +191,7 @@ class SerialRelay(Node):
             output.data = msg
             self.anchor_pub.publish(output)
         elif self.launch_mode == 'core':
-            self.get_logger().info(f"[Core to MCU] {msg}")
+            self.get_logger().info(f"[Core to MCU] {msg.data}")
             self.ser.write(bytes(msg, "utf8"))
 
     def anchor_feedback(self, msg: String):