diff --git a/src/DIRAC/WorkloadManagementSystem/Service/JobMonitoringHandler.py b/src/DIRAC/WorkloadManagementSystem/Service/JobMonitoringHandler.py
index dc3ae464eb3..428cbdf691f 100755
--- a/src/DIRAC/WorkloadManagementSystem/Service/JobMonitoringHandler.py
+++ b/src/DIRAC/WorkloadManagementSystem/Service/JobMonitoringHandler.py
@@ -588,7 +588,7 @@ def export_getJobParameters(cls, jobIDs, parName=None):
     return cls.jobDB.getJobParameters(jobIDs, parName)
 
 ##############################################################################
-  types_getAtticJobParameters = [[int, long]]
+  types_getAtticJobParameters = [list(six.integer_types)]
 
   @classmethod
   def export_getAtticJobParameters(cls, jobID, parameters=None, rescheduleCycle=-1):