diff --git a/cluster/plan.go b/cluster/plan.go
index 88fc23e7..c8855941 100644
--- a/cluster/plan.go
+++ b/cluster/plan.go
@@ -437,7 +437,7 @@ func (c *Cluster) BuildProxyProcess() v3.Process {
 	return v3.Process{
 		Name:          services.NginxProxyContainerName,
 		Env:           Env,
-		Args:          Env,
+		Args:          []string{"nginx-proxy"},
 		NetworkMode:   "host",
 		RestartPolicy: "always",
 		HealthCheck:   v3.HealthCheck{},
diff --git a/pki/deploy.go b/pki/deploy.go
index 41e256a2..84eda70c 100644
--- a/pki/deploy.go
+++ b/pki/deploy.go
@@ -46,6 +46,7 @@ func doRunDeployer(ctx context.Context, host *hosts.Host, containerEnv []string,
 	}
 	imageCfg := &container.Config{
 		Image: certDownloaderImage,
+		Cmd:   []string{"cert-deployer"},
 		Env:   containerEnv,
 	}
 	hostCfg := &container.HostConfig{