diff --git a/group_vars/matrix_servers b/group_vars/matrix_servers
index bbfdcf3e9..92cc5c591 100755
--- a/group_vars/matrix_servers
+++ b/group_vars/matrix_servers
@@ -1547,6 +1547,12 @@ matrix_jitsi_etherpad_base: "{{ matrix_etherpad_base_url if matrix_etherpad_enab
 # This is only for users with a specific LDAP setup
 matrix_ldap_registration_proxy_enabled: false
 
+# Use the LDAP values specified for the synapse role to setup LDAP proxy
+matrix_ldap_registration_proxy_ldap_uri: "{{ matrix_synapse_ext_password_provider_ldap_uri }}"
+matrix_ldap_registration_proxy_ldap_base_dn: "{{ matrix_synapse_ext_password_provider_ldap_base }}"
+matrix_ldap_registration_proxy_ldap_user: "{{ matrix_synapse_ext_password_provider_ldap_bind_dn }}"
+matrix_ldap_registration_proxy_ldap_password: "{{ matrix_synapse_ext_password_provider_ldap_bind_password }}"
+
 ######################################################################
 #
 # /matrix-ldap-registration-proxy
diff --git a/roles/matrix-ldap-registration-proxy/defaults/main.yml b/roles/matrix-ldap-registration-proxy/defaults/main.yml
index 44a670c15..4165c5910 100644
--- a/roles/matrix-ldap-registration-proxy/defaults/main.yml
+++ b/roles/matrix-ldap-registration-proxy/defaults/main.yml
@@ -14,10 +14,10 @@ matrix_ldap_registration_proxy_base_path: "{{ matrix_base_data_path }}/matrix_ld
 matrix_ldap_registration_proxy_docker_src_files_path: "{{ matrix_ldap_registration_proxy_base_path }}/docker-src/matrix_ldap_registration_proxy"
 matrix_ldap_registration_proxy_config_path: "{{ matrix_ldap_registration_proxy_base_path }}/config"
 
-matrix_ldap_registration_proxy_ldap_uri: "{{ matrix_synapse_ext_password_provider_ldap_uri }}"
-matrix_ldap_registration_proxy_ldap_base_dn: "{{ matrix_synapse_ext_password_provider_ldap_base }}"
-matrix_ldap_registration_proxy_ldap_user: "{{ matrix_synapse_ext_password_provider_ldap_bind_dn }}"
-matrix_ldap_registration_proxy_ldap_password: "{{ matrix_synapse_ext_password_provider_ldap_bind_password }}"
+matrix_ldap_registration_proxy_ldap_uri: ""
+matrix_ldap_registration_proxy_ldap_base_dn: ""
+matrix_ldap_registration_proxy_ldap_user: ""
+matrix_ldap_registration_proxy_ldap_password: ""
 matrix_ldap_registration_proxy_matrix_server_name: "{{ matrix_domain }}"
 matrix_ldap_registration_proxy_matrix_server_url: "https://{{ matrix_server_fqn_matrix }}"