diff --git a/Trigger/TrigT1/TrigT1CaloCalibConditions/share/L1CaloCalibConditionsMC_jobOptions.py b/Trigger/TrigT1/TrigT1CaloCalibConditions/share/L1CaloCalibConditionsMC_jobOptions.py
index f2e42db442778063d98f3c93ae3f059e308fcb1a..5e73701b56984973d2e97358e455a3a858fb12ce 100644
--- a/Trigger/TrigT1/TrigT1CaloCalibConditions/share/L1CaloCalibConditionsMC_jobOptions.py
+++ b/Trigger/TrigT1/TrigT1CaloCalibConditions/share/L1CaloCalibConditionsMC_jobOptions.py
@@ -1,5 +1,5 @@
 include.block ( "TrigT1CaloCalibConditions/L1CaloCalibConditionsMC_jobOptions.py" )
-if globalflags.DataSource() is not "data":
+if globalflags.DataSource() != "data":
   _L1CaloFolderList = [
         "/TRIGGER/L1Calo/V2/Calibration/Physics/PprChanCalib",
         "/TRIGGER/L1Calo/V2/Calibration/PpmDeadChannels",