diff --git a/ansible/roles/baremetal/tasks/pre-install.yml b/ansible/roles/baremetal/tasks/pre-install.yml
index 903bb66e96..94c8f7ce0c 100644
--- a/ansible/roles/baremetal/tasks/pre-install.yml
+++ b/ansible/roles/baremetal/tasks/pre-install.yml
@@ -144,7 +144,7 @@
         - name: Install docker rpm gpg key
           rpm_key:
             state: present
-            key: "{{ docker_yum_url }}/gpg"
+            key: "{{ docker_yum_gpgkey }}"
           become: True
           when: docker_yum_gpgcheck | bool
       when: ansible_facts.os_family == 'RedHat'
diff --git a/releasenotes/notes/bug-1934913-a8d436e3d0b950b4.yaml b/releasenotes/notes/bug-1934913-a8d436e3d0b950b4.yaml
new file mode 100644
index 0000000000..a72b7a2424
--- /dev/null
+++ b/releasenotes/notes/bug-1934913-a8d436e3d0b950b4.yaml
@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Fixes an issue seen when customising the Docker Yum repository URL on
+    CentOS, where the ``docker_yum_gpgkey`` variable is not used consistently.
+    `LP#1934913 <https://bugs.launchpad.net/kolla-ansible/+bug/1934913>`__