diff --git a/pygtk2-2.12.1-pygtk-generic-cell-renderer-activate.patch b/pygtk2-2.12.1-pygtk-generic-cell-renderer-activate.patch
new file mode 100644
index 0000000..4bfe3cb
--- /dev/null
+++ b/pygtk2-2.12.1-pygtk-generic-cell-renderer-activate.patch
@@ -0,0 +1,13 @@
+diff -up pygtk-2.12.1/gtk/pygtkcellrenderer.c.pygtk-generic-cell-renderer-activate pygtk-2.12.1/gtk/pygtkcellrenderer.c
+--- pygtk-2.12.1/gtk/pygtkcellrenderer.c.pygtk-generic-cell-renderer-activate	2007-11-01 12:20:18.000000000 -0400
++++ pygtk-2.12.1/gtk/pygtkcellrenderer.c	2008-03-17 12:24:47.000000000 -0400
+@@ -250,7 +250,8 @@ pygtk_generic_cell_renderer_activate (Gt
+     Py_DECREF(py_ret);
+ 
+ out:
+-    pygtk_boxed_unref_shared(py_event);
++    if (py_event != Py_None)
++        pygtk_boxed_unref_shared(py_event);
+     Py_DECREF(py_widget);
+     Py_DECREF(py_background_area);
+     Py_DECREF(py_cell_area);