diff --git a/ansible/roles/docker/tasks/debian.yml b/ansible/roles/docker/tasks/debian.yml
index f590f17..94188b1 100644
--- a/ansible/roles/docker/tasks/debian.yml
+++ b/ansible/roles/docker/tasks/debian.yml
@@ -1,6 +1,6 @@
 - name: Debian add Docker repository and update apt cache
   apt_repository:
-    repo: deb https://apt.dockerproject.org/repo ubuntu-{{ debian_version }} main
+    repo: "{{ docker_apt_repo | default('deb https://apt.dockerproject.org/repo ubuntu-{{ debian_version }} main') }}"
     update_cache: yes
     state: present
   tags: [docker]
diff --git a/ansible/roles/java8-oracle/tasks/main.yml b/ansible/roles/java8-oracle/tasks/main.yml
index 809fbee..94aae31 100644
--- a/ansible/roles/java8-oracle/tasks/main.yml
+++ b/ansible/roles/java8-oracle/tasks/main.yml
@@ -5,7 +5,8 @@
 
 - name: Add Oracle Java repository
   sudo: yes
-  apt_repository: repo='ppa:webupd8team/java'
+  apt_repository:
+    repo: "{{ java_apt_repo | default('ppa:webupd8team/java') }}"
 
 - name: Accept Java 8 license
   sudo: yes