diff --git a/src/arm_pkg/arm_pkg/arm_node.py b/src/arm_pkg/arm_pkg/arm_node.py
index 3f1c17b..5816c06 100644
--- a/src/arm_pkg/arm_pkg/arm_node.py
+++ b/src/arm_pkg/arm_pkg/arm_node.py
@@ -125,7 +125,7 @@ class SerialRelay(Node):
 
     def send_manual(self, msg):
         axis0 = msg.axis0
-        axis1 = msg.axis1
+        axis1 = -1 * msg.axis1
         axis2 = msg.axis2
         axis3 = msg.axis3