diff --git a/tests/Dockerfile.ubuntu-12.04 b/tests/Dockerfile.ubuntu-12.04
index d8b373e..71534b6 100644
--- a/tests/Dockerfile.ubuntu-12.04
+++ b/tests/Dockerfile.ubuntu-12.04
@@ -1,6 +1,6 @@
 FROM ubuntu:12.04
 # Install Ansible
-RUN apt-get install -y software-properties-common git
+RUN apt-get install -y python-software-properties software-properties-common git
 RUN apt-add-repository -y ppa:ansible/ansible
 RUN apt-get update
 RUN apt-get install -y ansible