diff --git a/Lib/test/test_decimal.py b/Lib/test/test_decimal.py
index ed483a4..fd62f37 100644
--- a/Lib/test/test_decimal.py
+++ b/Lib/test/test_decimal.py
@@ -5478,6 +5478,9 @@
             self.assertEqual(Decimal.from_float(cls(101.1)),
                              Decimal.from_float(101.1))
 
+    # Issue 41540:
+    @unittest.skipIf(sys.platform.startswith("aix"),
+                     "AIX: default ulimit: test is flaky because of extreme over-allocation")
     def test_maxcontext_exact_arith(self):
 
         # Make sure that exact operations do not raise MemoryError due