diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 46c7d807b8e..d2b4372270d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -116,7 +116,7 @@ variables:
   # NEVER MIX FARM MAINTENANCE WITH ANY OTHER CHANGE IN THE SAME MERGE REQUEST!
   ARTIFACTS_BASE_URL: https://${CI_PROJECT_ROOT_NAMESPACE}.${CI_PAGES_DOMAIN}/-/${CI_PROJECT_NAME}/-/jobs/${CI_JOB_ID}/artifacts
   # Python scripts for structured logger
-  PYTHONPATH: "$PYTHONPATH:$CI_PROJECT_DIR/install"
+  PYTHONPATH: $CI_PROJECT_DIR/install
   # No point in continuing once the device is lost
   MESA_VK_ABORT_ON_DEVICE_LOSS: 1
   # Avoid the wall of "Unsupported SPIR-V capability" warnings in CI job log, hiding away useful output