diff --git a/group_vars/matrix_servers b/group_vars/matrix_servers
index 48c8e4d51..93102a887 100755
--- a/group_vars/matrix_servers
+++ b/group_vars/matrix_servers
@@ -2658,6 +2658,8 @@ matrix_client_element_jitsi_preferredDomain: "{{ matrix_server_fqn_jitsi if matr
 
 matrix_client_hydrogen_enabled: false
 
+matrix_client_hydrogen_container_image_self_build: "{{ matrix_architecture not in ['amd64'] }}"
+
 # Normally, matrix-nginx-proxy is enabled and nginx can reach Hydrogen over the container network.
 # If matrix-nginx-proxy is not enabled, or you otherwise have a need for it, you can expose
 # the HTTP port to the local host.
diff --git a/roles/custom/matrix-client-hydrogen/defaults/main.yml b/roles/custom/matrix-client-hydrogen/defaults/main.yml
index ac0d8289a..c62b2ff6e 100644
--- a/roles/custom/matrix-client-hydrogen/defaults/main.yml
+++ b/roles/custom/matrix-client-hydrogen/defaults/main.yml
@@ -3,14 +3,12 @@
 
 matrix_client_hydrogen_enabled: true
 
-# Self building is used by default because the `config.json` file is only read at build time.
-# The pre-built images also were not functional as of 2021-05-15.
-matrix_client_hydrogen_container_image_self_build: true
+matrix_client_hydrogen_container_image_self_build: false
 matrix_client_hydrogen_container_image_self_build_repo: "https://github.com/vector-im/hydrogen-web.git"
 
 matrix_client_hydrogen_version: v0.3.5
-matrix_client_hydrogen_docker_image: "{{ matrix_client_hydrogen_docker_image_name_prefix }}vectorim/hydrogen-web:{{ matrix_client_hydrogen_version }}"
-matrix_client_hydrogen_docker_image_name_prefix: "{{ 'localhost/' if matrix_client_hydrogen_container_image_self_build else matrix_container_global_registry_prefix }}"
+matrix_client_hydrogen_docker_image: "{{ matrix_client_hydrogen_docker_image_name_prefix }}vector-im/hydrogen-web:{{ matrix_client_hydrogen_version }}"
+matrix_client_hydrogen_docker_image_name_prefix: "{{ 'localhost/' if matrix_client_hydrogen_container_image_self_build else 'ghcr.io/' }}"
 matrix_client_hydrogen_docker_image_force_pull: "{{ matrix_client_hydrogen_docker_image.endswith(':latest') }}"
 
 matrix_client_hydrogen_data_path: "{{ matrix_base_data_path }}/client-hydrogen"
diff --git a/roles/custom/matrix-client-hydrogen/tasks/setup_install.yml b/roles/custom/matrix-client-hydrogen/tasks/setup_install.yml
index 7a886a88f..5fe4ceadd 100644
--- a/roles/custom/matrix-client-hydrogen/tasks/setup_install.yml
+++ b/roles/custom/matrix-client-hydrogen/tasks/setup_install.yml
@@ -38,11 +38,10 @@
 - name: Ensure Hydrogen configuration installed
   ansible.builtin.copy:
     content: "{{ matrix_client_hydrogen_configuration | to_nice_json }}"
-    dest: "{{ matrix_client_hydrogen_docker_src_files_path }}/src/platform/web/assets/config.json"
+    dest: "{{ matrix_client_hydrogen_data_path }}/config.json"
     mode: 0644
     owner: "{{ matrix_user_username }}"
     group: "{{ matrix_user_groupname }}"
-  when: "matrix_client_hydrogen_container_image_self_build | bool"
 
 - name: Ensure Hydrogen additional config files installed
   ansible.builtin.template:
@@ -55,8 +54,6 @@
     - {src: "{{ role_path }}/templates/nginx.conf.j2", name: "nginx.conf"}
   when: "item.src is not none"
 
-# This step MUST come after the steps to install the configuration files because the config files
-# are currently only read at build time, not at run time like most other components in the playbook
 - name: Ensure Hydrogen Docker image is built
   community.docker.docker_image:
     name: "{{ matrix_client_hydrogen_docker_image }}"
diff --git a/roles/custom/matrix-client-hydrogen/templates/config.json.j2 b/roles/custom/matrix-client-hydrogen/templates/config.json.j2
index 161ee47bb..b6b1b9be5 100644
--- a/roles/custom/matrix-client-hydrogen/templates/config.json.j2
+++ b/roles/custom/matrix-client-hydrogen/templates/config.json.j2
@@ -3,7 +3,7 @@
 	"defaultHomeServer": {{ matrix_client_hydrogen_default_hs_url | string | to_json }},
 	"bugReportEndpointUrl": {{ matrix_client_hydrogen_bugReportEndpointUrl | to_json }},
 	"themeManifests": [
-		"assets/theme-Element.json"
+		"assets/theme-element.json"
 	],
 	"defaultTheme": {
 		"light": "element-light",
diff --git a/roles/custom/matrix-client-hydrogen/templates/systemd/matrix-client-hydrogen.service.j2 b/roles/custom/matrix-client-hydrogen/templates/systemd/matrix-client-hydrogen.service.j2
index 92bfadcb9..d8a3fb98b 100644
--- a/roles/custom/matrix-client-hydrogen/templates/systemd/matrix-client-hydrogen.service.j2
+++ b/roles/custom/matrix-client-hydrogen/templates/systemd/matrix-client-hydrogen.service.j2
@@ -24,6 +24,7 @@ ExecStart={{ devture_systemd_docker_base_host_command_docker }} run --rm --name
 			{% endif %}
 			--tmpfs=/tmp:rw,noexec,nosuid,size=10m \
 			--mount type=bind,src={{ matrix_client_hydrogen_data_path }}/nginx.conf,dst=/etc/nginx/nginx.conf,ro \
+			--mount type=bind,src={{ matrix_client_hydrogen_data_path }}/config.json,dst=/usr/share/nginx/html/config.json,ro \
 			{% for arg in matrix_client_hydrogen_container_extra_arguments %}
 			{{ arg }} \
 			{% endfor %}