diff --git a/roles/custom/matrix-nginx-proxy/defaults/main.yml b/roles/custom/matrix-nginx-proxy/defaults/main.yml
index 6fbc019e2..2861084de 100644
--- a/roles/custom/matrix-nginx-proxy/defaults/main.yml
+++ b/roles/custom/matrix-nginx-proxy/defaults/main.yml
@@ -21,6 +21,10 @@ matrix_nginx_proxy_systemd_required_services_list: ['docker.service']
 # List of systemd services that matrix-nginx-proxy.service wants
 matrix_nginx_proxy_systemd_wanted_services_list: []
 
+# The base container network.
+# Also see: matrix_nginx_proxy_container_additional_networks
+matrix_nginx_proxy_container_network: "{{ matrix_docker_network }}"
+
 # A list of additional container networks that matrix-nginx-proxy would be connected to.
 # The playbook does not create these networks, so make sure they already exist.
 #
diff --git a/roles/custom/matrix-nginx-proxy/templates/bin/lets-encrypt-certificates-renew.j2 b/roles/custom/matrix-nginx-proxy/templates/bin/lets-encrypt-certificates-renew.j2
index 89113629b..5f235ea26 100644
--- a/roles/custom/matrix-nginx-proxy/templates/bin/lets-encrypt-certificates-renew.j2
+++ b/roles/custom/matrix-nginx-proxy/templates/bin/lets-encrypt-certificates-renew.j2
@@ -12,7 +12,7 @@ docker run \
 	--name=matrix-certbot \
 	--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
 	--cap-drop=ALL \
-	--network="{{ matrix_docker_network }}" \
+	--network="{{ matrix_nginx_proxy_container_network }}" \
 	-p 127.0.0.1:{{ matrix_ssl_lets_encrypt_certbot_standalone_http_port }}:8080 \
 	--mount type=bind,src={{ matrix_ssl_config_dir_path }},dst=/etc/letsencrypt \
 	--mount type=bind,src={{ matrix_ssl_log_dir_path }},dst=/var/log/letsencrypt \
diff --git a/roles/custom/matrix-nginx-proxy/templates/systemd/matrix-nginx-proxy.service.j2 b/roles/custom/matrix-nginx-proxy/templates/systemd/matrix-nginx-proxy.service.j2
index e6c941328..301eb9d5d 100755
--- a/roles/custom/matrix-nginx-proxy/templates/systemd/matrix-nginx-proxy.service.j2
+++ b/roles/custom/matrix-nginx-proxy/templates/systemd/matrix-nginx-proxy.service.j2
@@ -24,7 +24,7 @@ ExecStartPre={{ devture_systemd_docker_base_host_command_docker }} create \
 			--cap-drop=ALL \
 			--read-only \
 			--tmpfs=/tmp:rw,noexec,nosuid,size={{ matrix_nginx_proxy_tmp_directory_size_mb }}m \
-			--network={{ matrix_docker_network }} \
+			--network={{ matrix_nginx_proxy_container_network }} \
 			{% if matrix_nginx_proxy_container_http_host_bind_port %}
 			-p {{ matrix_nginx_proxy_container_http_host_bind_port }}:8080 \
 			{% endif %}