1 files changed, 2 insertions, 2 deletions
diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index f0c26c33e5..63d5a5c6c3 100644
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -593,8 +593,8 @@ PyBytes_AsStringAndSize(PyObject *obj,
     if (len != NULL)
         *len = PyBytes_GET_SIZE(obj);
     else if (strlen(*s) != (size_t)PyBytes_GET_SIZE(obj)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "expected bytes with no null");
+        PyErr_SetString(PyExc_ValueError,
+                        "embedded null byte");
         return -1;
     }
     return 0;