diff --git a/PyPAM.spec b/PyPAM.spec
index 62c3f8a54d959d5ea785d2d14ee05068a9859344..d15c16c08d4d09beff0db28d7cae311d3e937419 100644
--- a/PyPAM.spec
+++ b/PyPAM.spec
@@ -1,6 +1,6 @@
 Name:           PyPAM
 Version:        0.5.0
-Release:        3
+Release:        4
 Summary:        PAM bindings for Python
 License:        LGPLv2.1
 Url:            http://www.pangalactic.org/PyPAM
@@ -44,7 +44,7 @@ chmod 644 examples/pamtest.py
 rm -f examples/pamexample
 
 %check
-PYTHONPATH=build/lib.linux-`uname -m`-%{python3_version}/ %{__python3} tests/PamTest.py
+PYTHONPATH=build/lib.linux-`uname -m`-cpython-310/ %{__python3} tests/PamTest.py
 
 %files -n python3-PyPAM
 %defattr(-,root,root,-)
@@ -58,6 +58,9 @@ PYTHONPATH=build/lib.linux-`uname -m`-%{python3_version}/ %{__python3} tests/Pam
 %doc NEWS README ChangeLog INSTALL examples
 
 %changelog
+* Sat May 13 2023 ChenYanpan <chenyanpan@xfusion.com> - 0.5.0-4
+- Correct PYTHONPATH to fix build failure 
+
 * Thu Apr 21 2022 wangyu<wangyu283@huawei.com> - 0.5.0-3
 - Modified the version number and open-source protocol version.