diff --git a/.circleci/config.yml b/.circleci/config.yml
index 625d41fe..d31a7cce 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -22,6 +22,7 @@ jobs:
           name: Run smoke tests
           command: |
             mkdir /tmp/reports
+            export RUNNING_IN_ARTMAN_DOCKER=True
             smoketest_artman.py --root-dir=/var/code/googleapis/ --log=/tmp/reports/smoketest.log
       - store_test_results:
           path: /tmp/reports