diff --git a/cluster/roles/common/tasks/001-apt.yml b/cluster/roles/common/tasks/001-apt.yml
index 628569b4..c8c97b33 100644
--- a/cluster/roles/common/tasks/001-apt.yml
+++ b/cluster/roles/common/tasks/001-apt.yml
@@ -95,7 +95,7 @@
     name: swift
     state: present
   when: mode == "openstack"
-  
+
 - name: Add Docker repository key
   ansible.builtin.apt_key:
     url: 'https://download.docker.com/linux/{{ ansible_distribution | lower }}/gpg'
@@ -103,7 +103,7 @@
 
 - name: Add Docker repository
   ansible.builtin.apt_repository:
-    repo: 'deb https://download.docker.com/linux/{{ ansible_distribution | lower }} {{ ansible_lsb.codename}} stable'
+    repo: 'deb https://download.docker.com/linux/{{ ansible_distribution | lower }} {{ ansible_lsb.codename }} stable'
     state: present
 
 - name: Add apt.bi.denbi.de repository key