1 files changed, 2 insertions, 1 deletions
diff --git a/otk_c/rect.h b/otk_c/rect.h
index 50547b57..c32daa7a 100644
--- a/otk_c/rect.h
+++ b/otk_c/rect.h
@@ -4,7 +4,8 @@
 
 #include <Python.h>
 
-typedef struct {
+typedef struct OtkRect {
+  PyObject_HEAD
   int x, y, width, height;
 } OtkRect;