diff --git a/Dockerfile.synchronizer b/Dockerfile.synchronizer
index 4e5d0ff..d5b71a5 100644
--- a/Dockerfile.synchronizer
+++ b/Dockerfile.synchronizer
@@ -19,6 +19,10 @@
 COPY xos/synchronizer /opt/xos/synchronizers/openstack
 COPY VERSION /opt/xos/synchronizers/openstack/
 
+ENV OS_IDENTITY_API_VERSION=3
+
+ENTRYPOINT []
+
 WORKDIR "/opt/xos/synchronizers/openstack"
 
 # Label image