diff --git a/bootstrap/coriolis2.sh b/bootstrap/coriolis2.sh
index 8eb85e76..7997da6c 100644
--- a/bootstrap/coriolis2.sh
+++ b/bootstrap/coriolis2.sh
@@ -19,3 +19,5 @@
  else
    echo "[ERROR] Missing ${coriolisEnvPy} script."
  fi
+
+ unset scriptPath sysconfDir coriolisEnvPy