diff --git a/Modules/datetimemodule.c b/Modules/datetimemodule.c
index 54e6aac..b01f139 100644
--- a/Modules/datetimemodule.c
+++ b/Modules/datetimemodule.c
@@ -2560,7 +2560,7 @@
 static PyObject *
 date_getstate(PyDateTime_Date *self)
 {
-	return PyString_FromStringAndSize(self->data,
+	return PyString_FromStringAndSize((char *)self->data,
 					  _PyDateTime_DATE_DATASIZE);
 }
 
@@ -3356,7 +3356,7 @@
 static PyObject *
 datetime_getstate(PyDateTime_DateTime *self)
 {
-	return PyString_FromStringAndSize(self->data,
+	return PyString_FromStringAndSize((char *)self->data,
 					  _PyDateTime_DATETIME_DATASIZE);
 }
 
@@ -3826,7 +3826,7 @@
 static PyObject *
 time_getstate(PyDateTime_Time *self)
 {
-	return PyString_FromStringAndSize(self->data,
+	return PyString_FromStringAndSize((char *)self->data,
 					  _PyDateTime_TIME_DATASIZE);
 }