diff --git a/ChangeLog b/ChangeLog
index 383386cba0..d44ed0912a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2008-12-09  Edward Hervey  <edward.hervey@collabora.co.uk>
+
+	Patch by : Vincent Genieux <mutex at runbox dot com>
+	* gst/arg-types.py:
+	Fix memory leak for GstMiniObjects used as parameters in class method
+	overrides.
+	Fixes #543961
+
 2008-12-06  Edward Hervey  <edward.hervey@collabora.co.uk>
 
 	* gst/gstpad.override:
diff --git a/gst/arg-types.py b/gst/arg-types.py
index 1963b9935b..66ac740eba 100644
--- a/gst/arg-types.py
+++ b/gst/arg-types.py
@@ -160,7 +160,7 @@ class GstMiniObjectParam(Parameter):
 					      "    py_%s = Py_None;\n"
 					      "}"
 					      % (self.name, self.name, self.name, self.name, self.name)),
-					cleanup=("gst_mini_object_ref ((GstMiniObject *) %s);\nPy_DECREF(py_%s);" % (self.name, self.name)))
+					cleanup=("Py_DECREF(py_%s);" % self.name))
 		self.wrapper.add_pyargv_item("py_%s" % self.name)
 
 matcher.register_reverse('GstMiniObject*', GstMiniObjectParam)