diff --git a/script/users/TUM/HAT_MultiXPS_Cu_2020.py b/script/users/TUM/HAT_MultiXPS_Cu_2020.py
index ecebd984..08a22a49 100644
--- a/script/users/TUM/HAT_MultiXPS_Cu_2020.py
+++ b/script/users/TUM/HAT_MultiXPS_Cu_2020.py
@@ -19,7 +19,7 @@ ranges.append(rs)
 
 #Cu 3p calibration for N 1s
 rs = RangeSelection(459., 469.)
-rs.setVars([0.25, 0.05, 5, 545.]) #Time, Size, Iteration, photon energy
+rs.setVars([0.25, 0.05, 5, 520.]) #Time, Size, Iteration, photon energy
 ranges.append(rs)
 
 # C 1s