diff --git a/group_vars/matrix_servers b/group_vars/matrix_servers
index d342d786c..7f0dd6e2a 100755
--- a/group_vars/matrix_servers
+++ b/group_vars/matrix_servers
@@ -1153,6 +1153,9 @@ matrix_authentication_service_systemd_wanted_services_list_auto: |
 matrix_authentication_service_syn2mas_container_network: "{{ postgres_container_network if postgres_enabled and matrix_authentication_service_config_database_host == postgres_connection_hostname else matrix_authentication_service_container_network }}"
 
 matrix_authentication_service_syn2mas_synapse_homeserver_config_path: "{{ matrix_synapse_config_dir_path + '/homeserver.yaml' if matrix_synapse_enabled else '' }}"
+matrix_authentication_service_syn2mas_synapse_database_socket_enabled: "{{ matrix_synapse_database_socket_enabled if matrix_synapse_enabled else false }}"
+matrix_authentication_service_syn2mas_synapse_database_socket_path: "{{ matrix_synapse_database_socket_path if matrix_synapse_enabled else '' }}"
+matrix_authentication_service_syn2mas_synapse_database_socket_path_host: "{{ matrix_synapse_database_socket_path_host if matrix_synapse_enabled else '' }}"
 
 ######################################################################
 #
diff --git a/roles/custom/matrix-authentication-service/defaults/main.yml b/roles/custom/matrix-authentication-service/defaults/main.yml
index 505850f25..2e346e081 100644
--- a/roles/custom/matrix-authentication-service/defaults/main.yml
+++ b/roles/custom/matrix-authentication-service/defaults/main.yml
@@ -613,6 +613,10 @@ matrix_authentication_service_syn2mas_synapse_homeserver_config_path: ""
 
 matrix_authentication_service_syn2mas_container_network: "{{ matrix_authentication_service_container_network }}"
 
+matrix_authentication_service_syn2mas_synapse_database_socket_enabled: false
+matrix_authentication_service_syn2mas_synapse_database_socket_path: ""
+matrix_authentication_service_syn2mas_synapse_database_socket_path_host: ""
+
 # Additional options passed to the syn2mas sub-command (e.g. `mas-cli syn2mas [OPTIONS] migrate|check`).
 # Also see: `matrix_authentication_service_syn2mas_subcommand_extra_options`
 #
diff --git a/roles/custom/matrix-authentication-service/tasks/mas_cli_syn2mas.yml b/roles/custom/matrix-authentication-service/tasks/mas_cli_syn2mas.yml
index 93ffc4dcc..365842475 100644
--- a/roles/custom/matrix-authentication-service/tasks/mas_cli_syn2mas.yml
+++ b/roles/custom/matrix-authentication-service/tasks/mas_cli_syn2mas.yml
@@ -71,6 +71,9 @@
       --mount type=bind,src={{ matrix_authentication_service_config_path }}/config.yaml,dst=/config.yaml,ro
       --mount type=bind,src={{ matrix_authentication_service_data_keys_path }},dst=/keys,ro
       --mount type=bind,src={{ matrix_authentication_service_syn2mas_synapse_homeserver_config_path }},dst=/homeserver.yaml,ro
+      {% if matrix_authentication_service_syn2mas_synapse_database_socket_enabled %}
+      --mount type=bind,src={{ matrix_authentication_service_syn2mas_synapse_database_socket_path_host }},dst={{ matrix_authentication_service_syn2mas_synapse_database_socket_path }}
+      {% endif %}
       {{ matrix_authentication_service_container_image }}
       syn2mas
       --synapse-config=/homeserver.yaml