diff --git a/roles/synapse/README.md b/roles/synapse/README.md
index 1f401dd..b579c03 100644
--- a/roles/synapse/README.md
+++ b/roles/synapse/README.md
@@ -50,6 +50,7 @@ If deploying synapse in a docker container, check that you have `docker` and the
 | `matrix_synapse_redis_host`         | _None_                                                                    | host on which redis is running                                                                                                |
 | `matrix_synapse_redis_port`         | 6379                                                                      | port on which redis is running                                                                                                |
 | `matrix_synapse_redis_pass`         | _None_                                                                    | password to use to authentificate to redis                                                                                    |
+| `matrix_synapse_metrics_enabled`    | `false`                                                                   | If prometheus metrics should be enabled.                                                                                      |
 
 
 ### Worker control variables
diff --git a/roles/synapse/defaults/main.yml b/roles/synapse/defaults/main.yml
index 05f5532..bbdab7c 100644
--- a/roles/synapse/defaults/main.yml
+++ b/roles/synapse/defaults/main.yml
@@ -38,11 +38,13 @@ matrix_synapse_redis_host: ~
 matrix_synapse_redis_port: 6379
 matrix_synapse_redis_pass: ~
 
+# Monitoring
+matrix_synapse_metrics_enabled: false
+matrix_synapse_worker_metrics_enabled: "{{ matrix_synapse_metrics_enabled | bool }}"
+matrix_synapse_worker_metrics_port: 9101
 
 # Worker control config
 matrix_synapse_workers_enabled: false
-matrix_synapse_worker_metrics_enabled: false
-matrix_synapse_worker_metrics_port: 9101
 matrix_synapse_worker_replication_host: "{{ matrix_synapse_container_name }}"
 matrix_synapse_worker_replication_port: 9003
 matrix_synapse_worker_replication_bind_ip: "127.0.0.1"
diff --git a/roles/synapse/vars/main.yml b/roles/synapse/vars/main.yml
index 062e054..7815899 100644
--- a/roles/synapse/vars/main.yml
+++ b/roles/synapse/vars/main.yml
@@ -143,7 +143,7 @@ matrix_synapse_base_config:
       - matrix.org
       - vector.im
   autocreate_auto_join_rooms: true
-  enable_metrics: False
+  enable_metrics: "{{ matrix_synapse_metrics_enabled }}"
   report_stats: "{{ matrix_synapse_report_stats }}"
   app_service_config_files: []
   track_appservice_user_ips: False