diff --git a/Dockerfile b/Dockerfile
index d201270b0..1eb07c760 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -57,7 +57,7 @@ RUN mkdir static/fonts static/ldn
 RUN venv/bin/python -m external_libraries
 
 # Run the tests
-RUN TEST=true venv/bin/python -m unittest discover
+RUN TEST=true venv/bin/python -m unittest -f discover
 
 VOLUME ["/conf/stack", "/var/log", "/datastorage", "/tmp", "/conf/etcd"]