diff --git a/script/jan/E_Dy.py b/script/jan/E_Dy.py
index 9a0fa49..a8e66bb 100644
--- a/script/jan/E_Dy.py
+++ b/script/jan/E_Dy.py
@@ -1,7 +1,7 @@
 off_plus = -6.5
 off_minus = -2.5
 
-set_pol_cplus(offset = off_cplus)
+set_pol_cplus(offset = off_plus)
 set_slit(50.0)
 
 open_valve()