diff --git a/main.py b/main.py
index a1e9979..b2d00cd 100644
--- a/main.py
+++ b/main.py
@@ -46,7 +46,7 @@ class Laser:
 
     def set_pos(self, x, y):
         x = clamp(x, 1, 127)
-        y = clamp(x, 1, 127)
+        y = clamp(y, 1, 127)
         self._set_channel(5, x)
         self._set_channel(6, y)
         self._send_channels([5,6])