diff --git a/tests/automated/wifi_helpers.py b/tests/automated/wifi_helpers.py
index 22199b09..de9b224a 100644
--- a/tests/automated/wifi_helpers.py
+++ b/tests/automated/wifi_helpers.py
@@ -1,3 +1,4 @@
+import os
 FNULL = open(os.devnull, 'w')
 def _connect_wifi(dongle_id, pw, insecure_okay=False):
   ssid = "panda-" + dongle_id