diff --git a/PIDCalib/PIDPerfScripts/python/PIDPerfScripts/DataFuncs.py b/PIDCalib/PIDPerfScripts/python/PIDPerfScripts/DataFuncs.py
index 835c9834189627826acc46fadb4126cd80a06572..4bb5f539905faa502d4dfa6cd44a4b609452d730 100644
--- a/PIDCalib/PIDPerfScripts/python/PIDPerfScripts/DataFuncs.py
+++ b/PIDCalib/PIDPerfScripts/python/PIDPerfScripts/DataFuncs.py
@@ -212,7 +212,7 @@ def GetWGPFiles(StripVer,MagPolarity,PartName,verbose=False):
     #Pass it a temporary directory to write the file list to
     path = tempfile.mkdtemp()
 
-    arguments = ['source /cvmfs/lhcb.cern.ch/lib/lhcb/LHCBDIRAC/lhcbdirac && unset PYTHONHOME && python $PIDPERFSCRIPTSROOT/python/PIDPerfScripts/GetWGPFilesDirac.py %s %s %s %s' % (StripVer,MagPolarity,PartName,path)]
+    arguments = ['source /cvmfs/lhcb.cern.ch/lhcbdirac/lhcbdirac && unset PYTHONHOME && python $PIDPERFSCRIPTSROOT/python/PIDPerfScripts/GetWGPFilesDirac.py %s %s %s %s' % (StripVer,MagPolarity,PartName,path)]
     
     p = Popen(arguments,
               env = os.environ,