diff --git a/roles/custom/matrix-coturn/defaults/main.yml b/roles/custom/matrix-coturn/defaults/main.yml
index 22ad48d6..0d5d15dc 100644
--- a/roles/custom/matrix-coturn/defaults/main.yml
+++ b/roles/custom/matrix-coturn/defaults/main.yml
@@ -76,6 +76,14 @@ matrix_coturn_total_quota: null
 # Controls whether `no-multicast-peers` is added to the configuration
 matrix_coturn_no_multicast_peers_enabled: true
 
+# Additional configuration to be passed to turnserver.conf
+# Example:
+# matrix_coturn_additional_configuration: |
+#   simple-log
+#   aux-server=1.2.3.4
+#   relay-ip=4.3.2.1
+matrix_coturn_additional_configuration: ''
+
 # To enable TLS, you need to provide paths to certificates.
 # Paths defined in `matrix_coturn_tls_cert_path` and `matrix_coturn_tls_key_path` are in-container paths.
 # Files on the host can be mounted into the container using `matrix_coturn_container_additional_volumes`.
diff --git a/roles/custom/matrix-coturn/templates/turnserver.conf.j2 b/roles/custom/matrix-coturn/templates/turnserver.conf.j2
index dc8d96ee..47fa5b86 100644
--- a/roles/custom/matrix-coturn/templates/turnserver.conf.j2
+++ b/roles/custom/matrix-coturn/templates/turnserver.conf.j2
@@ -49,3 +49,5 @@ denied-peer-ip={{ ip_range }}
 {% for ip_range in matrix_coturn_allowed_peer_ips %}
 allowed-peer-ip={{ ip_range }}
 {% endfor %}
+
+{{ matrix_coturn_additional_configuration }}