diff --git a/pyramid/tests/test_util.py b/pyramid/tests/test_util.py
index d64f0a73f0..ab9de262e4 100644
--- a/pyramid/tests/test_util.py
+++ b/pyramid/tests/test_util.py
@@ -293,6 +293,14 @@ def test_reset_reify(self):
         foo.set_property(lambda _: 2, name='x', reify=True)
         self.assertEqual(1, foo.x)
 
+    def test_new_class_keeps_parent_module_name(self):
+        foo = self._makeOne()
+        self.assertEqual(foo.__module__, 'pyramid.tests.test_util')
+        self.assertEqual(foo.__class__.__module__, 'pyramid.tests.test_util')
+        foo.set_property(lambda _: 1, name='x', reify=True)
+        self.assertEqual(foo.__module__, 'pyramid.tests.test_util')
+        self.assertEqual(foo.__class__.__module__, 'pyramid.tests.test_util')
+
 class Test_WeakOrderedSet(unittest.TestCase):
     def _makeOne(self):
         from pyramid.config import WeakOrderedSet
diff --git a/pyramid/util.py b/pyramid/util.py
index 2827884a34..d12cd8b8b3 100644
--- a/pyramid/util.py
+++ b/pyramid/util.py
@@ -97,6 +97,9 @@ def apply_properties(cls, target, properties):
         attrs = dict(properties)
         if attrs:
             parent = target.__class__
+            # fix the module name so it appears to still be the parent
+            # e.g. pyramid.request instead of pyramid.util
+            attrs.setdefault('__module__', parent.__module__)
             newcls = type(parent.__name__, (parent, object), attrs)
             # We assign __provides__ and __implemented__ below to prevent a
             # memory leak that results from from the usage of this instance's