diff --git a/wetb/hawc2/cluster_simulation.py b/wetb/hawc2/cluster_simulation.py
index 6305ea6dcdf4a260afe5e59b5370e220a7c99951..c923074b8a262b57f68d8dee73b37f730b91317a 100644
--- a/wetb/hawc2/cluster_simulation.py
+++ b/wetb/hawc2/cluster_simulation.py
@@ -4,14 +4,15 @@ import sys
 from threading import  Thread
 class ClusterSimulation(Simulation):
     def __init__(self, modelpath, htcfilename, hawc2exe="HAWC2MB.exe"):
+        print ("start")
         Simulation.__init__(self, modelpath, htcfilename, hawc2exe=hawc2exe)
         self.simulation_id = [f for f in os.listdir('.') if f.endswith('.in')][0][:-3]
-        self.simulationThread = SimulationThread(self, False)
+        self.resource.simulationThread.low_priority = False
         self.thread = Thread(target=self.simulate)
         self.start(1)
         self.wait()
-        print (self.simulationThread.res[1])  # print hawc2 output to stdout
-        sys.exit(self.simulationThread.res[0])
+        print (self.resource.simulationThread.res[1])  # print hawc2 output to stdout
+        sys.exit(self.resource.simulationThread.res[0])
 
     def update_status(self, *args, **kwargs):
         Simulation.update_status(self, *args, **kwargs)