diff --git a/script/templates/EnergyScan.py b/script/templates/EnergyScan.py
index 48c22c4..7e286db 100644
--- a/script/templates/EnergyScan.py
+++ b/script/templates/EnergyScan.py
@@ -79,7 +79,7 @@ newest = getNewestFile()
 if NO_BEAM_CHECK == False:
     if not has_beam():
         print "Maintenence mode: end of scan"
-        exit()
+        sys.exit()
 
 
 if MODE is not None: