diff --git a/backport-reader-make-PY_SSIZE_T_CLEAN.patch b/backport-reader-make-PY_SSIZE_T_CLEAN.patch
new file mode 100644
index 0000000000000000000000000000000000000000..2c66e03a2a54a6a8870130a26b4e60287cf81583
--- /dev/null
+++ b/backport-reader-make-PY_SSIZE_T_CLEAN.patch
@@ -0,0 +1,46 @@
+From ab9f2797127b374665c37c06b02121f5dcf7d61c Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
+Date: Thu, 12 Nov 2020 16:55:56 +0100
+Subject: [PATCH 2/2] reader: make PY_SSIZE_T_CLEAN
+
+---
+ systemd/_reader.c | 15 +++++++++++++--
+ 1 file changed, 13 insertions(+), 2 deletions(-)
+
+diff --git a/systemd/_reader.c b/systemd/_reader.c
+index 8de7f6a963..3b6a4d0bbc 100644
+--- a/systemd/_reader.c
++++ b/systemd/_reader.c
+@@ -18,7 +18,12 @@
+   along with python-systemd; If not, see <http://www.gnu.org/licenses/>.
+ ***/
+ 
++#define PY_SSIZE_T_CLEAN
++#pragma GCC diagnostic push
++#pragma GCC diagnostic ignored "-Wredundant-decls"
+ #include <Python.h>
++#pragma GCC diagnostic pop
++
+ #include <structmember.h>
+ #include <datetime.h>
+ #include <time.h>
+@@ -710,11 +715,17 @@ PyDoc_STRVAR(Reader_add_match__doc__,
+              "Match is a string of the form \"FIELD=value\".");
+ static PyObject* Reader_add_match(Reader *self, PyObject *args, PyObject *keywds) {
+         char *match;
+-        int match_len, r;
++        Py_ssize_t match_len;
++        int r;
+         if (!PyArg_ParseTuple(args, "s#:add_match", &match, &match_len))
+                 return NULL;
+ 
+-        r = sd_journal_add_match(self->j, match, match_len);
++        if (match_len > INT_MAX) {
++                set_error(-ENOBUFS, NULL, NULL);
++                return NULL;
++        }
++
++        r = sd_journal_add_match(self->j, match, (int) match_len);
+         if (set_error(r, NULL, "Invalid match") < 0)
+                 return NULL;
+ 
diff --git a/python-systemd.spec b/python-systemd.spec
index 50aba7de0da9eac973d8d97b2b0fcf653e695f30..6dba56085f256c0706adf3c1cca0216cab483402 100644
--- a/python-systemd.spec
+++ b/python-systemd.spec
@@ -1,11 +1,13 @@
 Name:           python-systemd
 Version:        234
-Release:        13
+Release:        14
 Summary:        Python module for native access to the systemd facilities.
 License:        LGPLv2+
 URL:            https://github.com/systemd/%{name}
 Source0:        https://github.com/systemd/%{name}/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
 
+Patch6000:	backport-reader-make-PY_SSIZE_T_CLEAN.patch
+
 BuildRequires:  gcc systemd-devel
 
 BuildRequires:  python3-devel python3-sphinx python3-pytest
@@ -61,6 +63,9 @@ make check PYTHON=%{__python3}
 %exclude %{_pkgdocdir}/html
 
 %changelog
+* Tue Mar 29 2022 wangjiang <wangjiang37@h-partners.com> 234-14
+- fix SystemError:PY_SSIZE_T_CLEAN macro must be defined for '#' formats
+
 * Wed Mar 03 2021 shixuantong <shixuantong@huawei.com> - 234-13
 - add debuginfo and debugsource