Don't self-build signald image on arm64, as upstream image exists

group_vars/matrix_servers

@@ -458,7 +458,7 @@ matrix_mautrix_signal_database_engine: 'postgres'
 matrix_mautrix_signal_database_password: "{{ '%s' | format(matrix_homeserver_generic_secret_key) | password_hash('sha512', 'mau.signal.db') | to_uuid }}"
 
 matrix_mautrix_signal_container_image_self_build: "{{ matrix_architecture not in ['amd64', 'arm64'] }}"
-matrix_mautrix_signal_daemon_container_image_self_build: "{{ matrix_architecture != 'amd64' }}"
+matrix_mautrix_signal_daemon_container_image_self_build: "{{ matrix_architecture != ['amd64', 'arm64'] }}"
 
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