diff --git a/docker/ironic/ironic-api/Dockerfile.j2 b/docker/ironic/ironic-api/Dockerfile.j2
index c83449285a..a3f10b332d 100644
--- a/docker/ironic/ironic-api/Dockerfile.j2
+++ b/docker/ironic/ironic-api/Dockerfile.j2
@@ -4,7 +4,8 @@ MAINTAINER {{ maintainer }}
 {% if install_type == 'binary' %}
     {% if base_distro in ['centos', 'fedora', 'oraclelinux', 'rhel'] %}
 
-RUN yum -y install openstack-ironic-api \
+RUN yum -y install \
+        openstack-ironic-api \
     && yum clean all
 
     {% elif base_distro in ['ubuntu'] %}