diff --git a/docker/zaqar/Dockerfile.j2 b/docker/zaqar/Dockerfile.j2
index 104a6f2123..fa74e870d6 100644
--- a/docker/zaqar/Dockerfile.j2
+++ b/docker/zaqar/Dockerfile.j2
@@ -21,7 +21,8 @@ RUN ln -s zaqar-source/* zaqar \
 {% endif %}
 
 COPY extend_start.sh /usr/local/bin/kolla_extend_start
-RUN chmod 755 /usr/local/bin/kolla_extend_start
+RUN chmod 755 /usr/local/bin/kolla_extend_start \
+    && usermod -a -G kolla zaqar
 
 {{ include_footer }}