diff --git a/lib/matrix.sh b/lib/matrix.sh
index c6b8c8a..6b1b893 100644
--- a/lib/matrix.sh
+++ b/lib/matrix.sh
@@ -108,6 +108,13 @@ modules:
         local_private_key_file: /data/$DOMAIN.key
 EOF
 
+# Set the ldap configuration correct to the domain
+if [ "${#LDAP_DOMAIN_ARRAY[@]}" -eq "3" ]; then
+  sed -i "s#dc=federatedcomputer,dc=cloud#dc=$LDAP_DOMAIN_FIRST,dc=$LDAP_DOMAIN_MIDDLE,dc=$LDAP_DOMAIN_LAST#g" /federated/apps/matrix/data/matrix/homeserver.yaml
+else
+  sed -i "s#dc=federatedcomputer,dc=cloud#dc=$LDAP_DOMAIN_FIRST,dc=$LDAP_DOMAIN_LAST#g" /federated/apps/matrix/data/matrix/homeserver.yaml
+fi
+
 # Set permissions
 chown -R 991:991 /federated/apps/matrix/data/matrix