diff --git a/script/EnergyScan.py b/script/EnergyScan.py
index 4e5bb02..382ade2 100644
--- a/script/EnergyScan.py
+++ b/script/EnergyScan.py
@@ -58,8 +58,8 @@ else:
     raise Exception("Invalid run type: " +  RUNTYPE)
 
 if RUNTYPE == "-":
-    switchpol(2) # tune ID1 --> polarization: C+
-else if RUNTYPE == "+":
+    switchpol(2) # tune ID2 --> polarization: C-
+else:
     switchpol(1) # tune ID1 --> polarization: C+
 time.sleep(1.0)