diff --git a/CHANGES.txt b/CHANGES.txt
index 4d11c6e3..de11cfde 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -4,7 +4,10 @@ Changelog
 4.1.3 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Allow ``properties`` to be passed to ``PloneUser.setProperties``.
+  This was previously ignored as ``setProperties`` solely utilised
+  keyword arguments.
+  [davidjb]
 
 
 4.1.2 (2014-01-27)
diff --git a/Products/PlonePAS/plugins/ufactory.py b/Products/PlonePAS/plugins/ufactory.py
index 10dbdfaf..2a27bdf0 100644
--- a/Products/PlonePAS/plugins/ufactory.py
+++ b/Products/PlonePAS/plugins/ufactory.py
@@ -200,6 +200,12 @@ def allowed(self, object, object_roles=None):
         return None
 
     def setProperties(self, properties=None, **kw):
+        """ Set properties on a given user.
+
+        Accepts either keyword arguments or a mapping for the ``properties``
+        argument. The ``properties`` argument will take precedence over
+        keyword arguments if both are provided; no merging will occur.
+        """
         if properties is None:
             properties = kw
 
@@ -208,10 +214,10 @@ def setProperties(self, properties=None, **kw):
                 continue
 
             update = {}
-            for (key, value) in kw.items():
+            for (key, value) in properties.items():
                 if sheet.hasProperty(key):
                     update[key] = value
-                    del kw[key]
+                    del properties[key]
 
             if update:
                 sheet.setProperties(self, update)
diff --git a/Products/PlonePAS/tests/test_basic_ops.py b/Products/PlonePAS/tests/test_basic_ops.py
index 46813ae9..865e3c7a 100644
--- a/Products/PlonePAS/tests/test_basic_ops.py
+++ b/Products/PlonePAS/tests/test_basic_ops.py
@@ -141,3 +141,13 @@ def test_setpw(self):
                 break
         self.assertTrue(result)
 
+    def test_setProperties(self):
+        self.createUser()
+        user = self.acl_users.getUser('created_user')
+        user.setProperties(fullname='Test User', email='test@example.org')
+        self.assertEqual(user.getProperty('fullname'), 'Test User')
+        self.assertEqual(user.getProperty('email'), 'test@example.org')
+
+        user.setProperties(properties={'fullname': 'Test User2', 'email': 'test2@example.org'})
+        self.assertEqual(user.getProperty('fullname'), 'Test User2')
+        self.assertEqual(user.getProperty('email'), 'test2@example.org')