diff --git a/src/main.py b/src/main.py
index b1e583a..41cdfea 100644
--- a/src/main.py
+++ b/src/main.py
@@ -6,7 +6,7 @@ io.setmode(io.BCM)
 
 class Pin:
     def __init__(self, num, off=io.HIGH):
-        self.num = num
+        self.pin = num
         self.off = off
 
     def setup(self):