diff --git a/Misc/NEWS b/Misc/NEWS
index 293ba2fc1a5..9144f5ddf17 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -149,6 +149,9 @@ present).
 Extension Modules
 -----------------
 
+- Patch #1297028: fix segfault if call type on MultibyteCodec,
+  MultibyteStreamReader, or MultibyteStreamWriter
+
 - Fix memory leak in posix.access().
 
 - Patch #1213831: Fix typo in unicodedata._getcode.
diff --git a/Modules/cjkcodecs/multibytecodec.c b/Modules/cjkcodecs/multibytecodec.c
index 4444941bde5..7d2d15ebfb7 100644
--- a/Modules/cjkcodecs/multibytecodec.c
+++ b/Modules/cjkcodecs/multibytecodec.c
@@ -1265,6 +1265,10 @@ static struct PyMethodDef __methods[] = {
 void
 init_multibytecodec(void)
 {
+	MultibyteCodec_Type.ob_type = &PyType_Type;
+	MultibyteStreamReader_Type.ob_type = &PyType_Type;
+	MultibyteStreamWriter_Type.ob_type = &PyType_Type;
+
 	Py_InitModule("_multibytecodec", __methods);
 
 	if (PyErr_Occurred())