diff --git a/scripts/ansible_install_pip b/scripts/ansible_install_pip
index 2ad722a..a586437 100755
--- a/scripts/ansible_install_pip
+++ b/scripts/ansible_install_pip
@@ -6,7 +6,8 @@ ANSIBLE_VERSION="${ANSIBLE_VERSION:-stable-2.2}"
 
 DEBIAN_FRONTEND=noninteractive apt-get -yq install build-essential python-dev python-virtualenv git
 
-if [ ! -d venv ]; then
-    virtualenv /tmp/venv
-    . /tmp/venv/bin/activate && pip install "git+https://github.com/ansible/ansible.git@${ANSIBLE_VERSION}"; deactivate
-fi
+[ ! -f "/tmp/venv/bin/activate" ] && virtualenv /tmp/venv
+
+[ ! -x "/tmp/venv/bin/ansible" ] && . /tmp/venv/bin/activate && pip install "git+https://github.com/ansible/ansible.git@${ANSIBLE_VERSION}"
+
+exit 0