diff --git a/bindings/python/mapnik_map.cpp b/bindings/python/mapnik_map.cpp
index db332ecda..a51b26e9f 100644
--- a/bindings/python/mapnik_map.cpp
+++ b/bindings/python/mapnik_map.cpp
@@ -453,7 +453,7 @@ void export_map()
             )
 
         .add_property("extra_attributes",make_function(attr_nonconst,return_value_policy<reference_existing_object>()),"TODO")
-        .add_property("params",make_function(params_nonconst,return_value_policy<reference_existing_object>()),"TODO")
+        .add_property("parameters",make_function(params_nonconst,return_value_policy<reference_existing_object>()),"TODO")
 
         .add_property("aspect_fix_mode",
                       &Map::get_aspect_fix_mode,
diff --git a/tests/python_tests/extra_map_props_test.py b/tests/python_tests/extra_map_props_test.py
index 47f61c8d4..9fa386673 100644
--- a/tests/python_tests/extra_map_props_test.py
+++ b/tests/python_tests/extra_map_props_test.py
@@ -28,24 +28,24 @@ def test_arbitrary_parameters_attached_to_map():
     attr = m.extra_attributes
     eq_(len(attr),0)
 
-    eq_(len(m.params),6)
-    eq_(m.params['key'],'value2')
-    eq_(m.params['key3'],'value3')
-    eq_(m.params['unicode'],u'iván')
-    eq_(m.params['integer'],10)
-    eq_(m.params['decimal'],.999)
-    eq_(m.params['number-as-string'],u'.9998')
+    eq_(len(m.parameters),6)
+    eq_(m.parameters['key'],'value2')
+    eq_(m.parameters['key3'],'value3')
+    eq_(m.parameters['unicode'],u'iván')
+    eq_(m.parameters['integer'],10)
+    eq_(m.parameters['decimal'],.999)
+    eq_(m.parameters['number-as-string'],u'.9998')
 
 
 def test_serializing_arbitrary_parameters():
     m = mapnik.Map(256,256)
-    m.params.append(mapnik.Parameter('width',m.width))
-    m.params.append(mapnik.Parameter('height',m.height))
+    m.parameters.append(mapnik.Parameter('width',m.width))
+    m.parameters.append(mapnik.Parameter('height',m.height))
     
     m2 = mapnik.Map(1,1)
     mapnik.load_map_from_string(m2,mapnik.save_map_to_string(m))
-    eq_(m2.params['width'],m.width)
-    eq_(m2.params['height'],m.height)
+    eq_(m2.parameters['width'],m.width)
+    eq_(m2.parameters['height'],m.height)
 
 if __name__ == "__main__":
     setup()