diff --git a/Lib/test/audit-tests.py b/Lib/test/audit-tests.py
index 7a7725f..ddeff22 100644
--- a/Lib/test/audit-tests.py
+++ b/Lib/test/audit-tests.py
@@ -261,6 +261,13 @@
     assertSequenceEqual(["call"] * 4, traced)
 
 
+def test_mmap():
+    import mmap
+    with TestHook() as hook:
+        mmap.mmap(-1, 8)
+        assertEqual(hook.seen[0][1][:2], (-1, 8))
+
+
 if __name__ == "__main__":
     from test.libregrtest.setup import suppress_msvcrt_asserts
     suppress_msvcrt_asserts(False)
diff --git a/Lib/test/test_audit.py b/Lib/test/test_audit.py
index f629b7b..2fc41bd 100644
--- a/Lib/test/test_audit.py
+++ b/Lib/test/test_audit.py
@@ -74,6 +74,9 @@
     def test_cantrace(self):
         self.do_test("test_cantrace")
 
+    def test_mmap(self):
+        self.do_test("test_mmap")
+
 
 if __name__ == "__main__":
     unittest.main()