diff --git a/square.py b/square.py
index 8fcd44e..688a40b 100644
--- a/square.py
+++ b/square.py
@@ -8,7 +8,7 @@ DRIVE_T = 0.22 # 10 centimeter
 
 RIGHT_WHEEL_OFFSET = 4
 
-CLOCKWISE_OFFSET = 0.84
+CLOCKWISE_OFFSET = 0.83
 
 def wiggle(arlo):
     arlo.go_diff(50, 53, 1, 0)