diff --git a/python/test/unit/test_profiling.py b/python/test/unit/test_profiling.py
index 80a0f8d68..1c769807c 100644
--- a/python/test/unit/test_profiling.py
+++ b/python/test/unit/test_profiling.py
@@ -90,11 +90,11 @@ def test_support(self):
 
     @lazy_skipIf(skipWithoutSupport, "run test only with profiling support")
     def test_summary(self):
-        context = A.context()
-        A.profiler_initialize(context)
-        recipe = a_recipe()
-        dd = A.partition_load_balance(recipe, context)
-        A.simulation(recipe, context, dd).run(1 * U.ms)
-        summary = A.profiler_summary()
-        self.assertEqual(str, type(summary), "profiler summary must be str")
-        self.assertTrue(summary, "empty summary")
+        ctx = A.context(threads=1)
+        A.profiler_initialize(ctx)
+        rec = a_recipe()
+        sim = A.simulation(rec, ctx)
+        sim.run(1 * U.ms)
+        sum = A.profiler_summary()
+        self.assertEqual(str, type(sum), "profiler summary must be str")
+        self.assertTrue(len(sum) != 0, "empty summary")