diff --git a/drivers/googlecomputeengine/compute_util.go b/drivers/googlecomputeengine/compute_util.go
index 3f466085c1..088675771d 100644
--- a/drivers/googlecomputeengine/compute_util.go
+++ b/drivers/googlecomputeengine/compute_util.go
@@ -39,9 +39,9 @@ const (
 var (
 	dockerUpgradeScriptTemplate = template.Must(template.New("upgrade-docker-script").Parse(
 		`sudo mkdir -p /.docker/authorized-keys.d/
-sudo chown -R {{ .Username }} /.docker
+sudo chown -R {{ .UserName }} /.docker
 while [ -e /var/run/docker.pid ]; do sleep 1; done
-sudo sed -i 's/DOCKER_OPTS=.*/DOCKER_OPTS=\"--auth=identity -H unix:\\/\\/\\/var\\/run\\/docker.sock -H 0.0.0.0:2376\"/g' /etc/default/docker
+sudo sed -i 's@DOCKER_OPTS=.*@DOCKER_OPTS=\"--auth=identity -H unix://var/run/docker.sock -H 0.0.0.0:2376\"@g' /etc/default/docker
 sudo wget https://bfirsh.s3.amazonaws.com/docker/docker-1.3.1-dev-identity-auth -O /usr/bin/docker && sudo chmod +x /usr/bin/docker
 `))
 )