diff --git a/run_tests.sh b/run_tests.sh
index eaa7fd7ebc..cb6a5dfda0 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -98,6 +98,8 @@ function run_pep8 {
       echo "Running flake8 without virtual env may miss OpenStack HACKING detection" >&2
   fi
   ${wrapper} flake8
+  export MODULEPATH=tempest.common.generate_sample_tempest
+  ${wrapper} tools/config/check_uptodate.sh
 }
 
 if [ $never_venv -eq 0 ]