diff --git a/group_vars/matrix_servers b/group_vars/matrix_servers
index 4301ae7e..8858a054 100755
--- a/group_vars/matrix_servers
+++ b/group_vars/matrix_servers
@@ -9,8 +9,6 @@
 # You can also override ANY variable (seen here or in any given role),
 # by re-defining it in your own configuration file (`inventory/host_vars/matrix.<your-domain>`).
 
-matrix_container_global_registry_prefix: "docker.io/"
-
 ######################################################################
 #
 # matrix-base
diff --git a/roles/matrix-base/defaults/main.yml b/roles/matrix-base/defaults/main.yml
index e83b6c95..983a29a0 100644
--- a/roles/matrix-base/defaults/main.yml
+++ b/roles/matrix-base/defaults/main.yml
@@ -65,6 +65,8 @@ matrix_architecture: amd64
 # We just remap from our `matrix_architecture` values to what Debian and possibly other distros call things.
 matrix_debian_arch: "{{ 'armhf' if matrix_architecture == 'arm32' else matrix_architecture }}"
 
+matrix_container_global_registry_prefix: "docker.io/"
+
 matrix_user_username: "matrix"
 matrix_user_groupname: "matrix"