diff --git a/python/pacemaker/_cts/tests/simulstart.py b/python/pacemaker/_cts/tests/simulstart.py
index 5588ff1411..88a7f2f4ea 100644
--- a/python/pacemaker/_cts/tests/simulstart.py
+++ b/python/pacemaker/_cts/tests/simulstart.py
@@ -1,42 +1,42 @@
 """ Start all stopped nodes simultaneously """
 
 __all__ = ["SimulStart"]
 __copyright__ = "Copyright 2000-2023 the Pacemaker project contributors"
 __license__ = "GNU General Public License version 2 or later (GPLv2+) WITHOUT ANY WARRANTY"
 
 from pacemaker._cts.tests.ctstest import CTSTest
 from pacemaker._cts.tests.simulstartlite import SimulStartLite
 from pacemaker._cts.tests.simulstoplite import SimulStopLite
 
 
 class SimulStart(CTSTest):
     """ A concrete test that starts all stopped nodes simultaneously """
 
     def __init__(self, cm):
         """ Create a new SimulStart instance
 
             Arguments:
 
             cm -- A ClusterManager instance
         """
 
         CTSTest.__init__(self, cm)
 
         self.name = "SimulStart"
-        self.stopall = SimulStopLite(cm)
 
         self._startall = SimulStartLite(cm)
+        self._stopall = SimulStopLite(cm)
 
     def __call__(self, dummy):
         """ Perform this test """
 
         self.incr("calls")
 
-        ret = self.stopall(None)
+        ret = self._stopall(None)
         if not ret:
             return self.failure("Setup failed")
 
         if not self._startall(None):
             return self.failure("Startall failed")
 
         return self.success()