diff --git a/.gitlab/ci/build.yml b/.gitlab/ci/build.yml
index 25a558181f..d20915eda1 100644
--- a/.gitlab/ci/build.yml
+++ b/.gitlab/ci/build.yml
@@ -179,7 +179,7 @@ build_clang_test_apps_esp32c6:
   script:
     - ${IDF_PATH}/tools/ci/test_configure_ci_environment.sh
     - cd ${IDF_PATH}/tools/test_build_system
-    - python tools/ci/get_known_failure_cases_file.py
+    - python ${IDF_PATH}/tools/ci/get_known_failure_cases_file.py
     - pytest --parallel-count ${CI_NODE_TOTAL:-1} --parallel-index ${CI_NODE_INDEX:-1}
       --work-dir ${CI_PROJECT_DIR}/test_build_system --junitxml=${CI_PROJECT_DIR}/XUNIT_RESULT.xml
       --ignore-result-files ${KNOWN_FAILURE_CASES_FILE_NAME}