diff --git a/meta-selftest/lib/devtool/bbpath.py b/meta-selftest/lib/devtool/bbpath.py
index 5e8ffb3af6b..17965544763 100644
--- a/meta-selftest/lib/devtool/bbpath.py
+++ b/meta-selftest/lib/devtool/bbpath.py
@@ -1,4 +1,5 @@
 import argparse
+import os
 
 already_loaded = False
 kept_context = None