diff --git a/roles/matrix-synapse/templates/synapse/homeserver.yaml.j2 b/roles/matrix-synapse/templates/synapse/homeserver.yaml.j2
index 647bbfce..d52ba1ab 100644
--- a/roles/matrix-synapse/templates/synapse/homeserver.yaml.j2
+++ b/roles/matrix-synapse/templates/synapse/homeserver.yaml.j2
@@ -152,7 +152,8 @@ listeners:
 {% if matrix_synapse_metrics_enabled %}
   - type: metrics
     port: {{ matrix_synapse_metrics_port }}
-    bind_addresses: ['::']
+    bind_addresses:
+      - '0.0.0.0'
 {% endif %}
 
 {% if matrix_synapse_federation_enabled and matrix_synapse_tls_federation_listener_enabled %}