diff --git a/docker/magnum/magnum-base/Dockerfile.j2 b/docker/magnum/magnum-base/Dockerfile.j2
index eecac5f1ea..c9a60dd23c 100644
--- a/docker/magnum/magnum-base/Dockerfile.j2
+++ b/docker/magnum/magnum-base/Dockerfile.j2
@@ -31,3 +31,5 @@ RUN ln -s magnum-base-source/* magnum \
     && chown -R magnum: /etc/magnum /var/log/magnum /home/magnum
 
 {% endif %}
+
+RUN usermod -a -G kolla magnum