diff --git a/Modules/unicodedata.c b/Modules/unicodedata.c
index a3152c3de48..5a4378babf1 100644
--- a/Modules/unicodedata.c
+++ b/Modules/unicodedata.c
@@ -1186,6 +1186,7 @@ initunicodedata(void)
         return;
 
     PyModule_AddStringConstant(m, "unidata_version", UNIDATA_VERSION);
+    Py_INCREF(&UCD_Type);
     PyModule_AddObject(m, "UCD", (PyObject*)&UCD_Type);
 
     /* Previous versions */