diff --git a/otk_c/init.c b/otk_c/init.c
index a958c4fe..8ea5d4a1 100644
--- a/otk_c/init.c
+++ b/otk_c/init.c
@@ -19,6 +19,7 @@ static PyMethodDef otk_methods[] = {
 
 void initotk(char *display)
 {
+  OtkRect_Type.ob_type = &PyType_Type;
   OtkDisplay_Type.ob_type = &PyType_Type;
   OtkScreenInfo_Type.ob_type = &PyType_Type;
   OtkColor_Type.ob_type = &PyType_Type;