diff --git a/tasks/install.yml b/tasks/install.yml
index ad242c1e7e833454bd78ecc3495c9c098685930b..6afec7b72520e4079a7111c89b3e05a0656d782c 100644
--- a/tasks/install.yml
+++ b/tasks/install.yml
@@ -10,7 +10,7 @@
   apt_repository:
     repo: deb [arch=amd64] https://download.docker.com/linux/ubuntu {{ ansible_distribution_release }} stable
     state: present
-    mode: 644
+    mode: 0644
 
 - name: Install Docker Engine
   apt:
@@ -25,7 +25,7 @@
   get_url:
     url: https://github.com/docker/compose/releases/download/{{ docker_compose_version }}/docker-compose-{{ ansible_system }}-{{ ansible_architecture }}
     dest: /usr/local/bin/docker-compose
-    mode: 755
+    mode: 0755
 
 - name: Configure delayed startup of Docker engine
   lineinfile:
@@ -41,7 +41,7 @@
     dest: /etc/docker/daemon.json
     owner: root
     group: root
-    mode: 600
+    mode: 0600
 
 - name: Install Python Dependencies
   pip:
@@ -65,7 +65,7 @@
     dest: /etc/fish/conf.d/docker-compose.fish
     owner: root
     group: root
-    mode: 644
+    mode: 0644
 
 - name: Add iptables chains
   iptables: