diff --git a/Misc/NEWS b/Misc/NEWS
index 8a848916c1e..60d43f12e89 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -225,6 +225,9 @@ Core and Builtins
 Library
 -------
 
+- Raise ValueError when attempting to set the _CHUNK_SIZE attribute of a
+  TextIOWrapper to a huge value, not TypeError.
+
 - Issue #12504: Close file handles in a timely manner in packaging.database.
   This fixes a bug with the remove (uninstall) feature on Windows.
 
diff --git a/Modules/_io/textio.c b/Modules/_io/textio.c
index 70d062b16f1..1a32120d846 100644
--- a/Modules/_io/textio.c
+++ b/Modules/_io/textio.c
@@ -2618,7 +2618,7 @@ textiowrapper_chunk_size_set(textio *self, PyObject *arg, void *context)
 {
     Py_ssize_t n;
     CHECK_INITIALIZED_INT(self);
-    n = PyNumber_AsSsize_t(arg, PyExc_TypeError);
+    n = PyNumber_AsSsize_t(arg, PyExc_ValueError);
     if (n == -1 && PyErr_Occurred())
         return -1;
     if (n <= 0) {