diff --git a/.travis.yml b/.travis.yml
index f85f3dd..25e8152 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ services: docker
 env:
   - distro: centos7
   - distro: ubuntu1604
+  - distro: ubuntu1404
   - distro: debian8
 
 script:
diff --git a/tasks/setup-Debian.yml b/tasks/setup-Debian.yml
index 1213773..8e479a1 100644
--- a/tasks/setup-Debian.yml
+++ b/tasks/setup-Debian.yml
@@ -20,6 +20,12 @@
     url: https://download.docker.com/linux/ubuntu/gpg
     id: 9DC858229FC7DD38854AE2D88D81803C0EBFCD88
     state: present
+  register: add_repository_key
+  ignore_errors: true
+
+- name: Alternative | Add Docker apt key.
+  shell: "curl -sSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -"
+  when: add_repository_key|failed
 
 - name: Add Docker repository.
   apt_repository: