diff --git a/pkg/asset/manifests/tectonic.go b/pkg/asset/manifests/tectonic.go
index 1dd1c8feb4c..e077403740e 100644
--- a/pkg/asset/manifests/tectonic.go
+++ b/pkg/asset/manifests/tectonic.go
@@ -11,6 +11,7 @@ import (
 	"github.com/ghodss/yaml"
 	"github.com/pkg/errors"
 
+	"github.com/gophercloud/utils/openstack/clientconfig"
 	"github.com/openshift/installer/pkg/asset"
 	"github.com/openshift/installer/pkg/asset/installconfig"
 	"github.com/openshift/installer/pkg/asset/machines"
@@ -20,7 +21,6 @@ import (
 
 const (
 	tectonicManifestDir = "tectonic"
-	openStackCredsFile  = "/etc/openstack/clouds.yaml"
 )
 
 var (
@@ -80,10 +80,17 @@ func (t *Tectonic) Generate(dependencies asset.Parents) error {
 			},
 		}
 	case "openstack":
-		credsEncoded, err := credsFileEncode(openStackCredsFile)
+		clouds, err := clientconfig.LoadCloudsYAML()
 		if err != nil {
 			return err
 		}
+
+		marshalled, err := yaml.Marshal(clouds)
+		if err != nil {
+			return err
+		}
+
+		credsEncoded := base64.StdEncoding.EncodeToString(marshalled)
 		cloudCreds = cloudCredsSecretData{
 			OpenStack: &OpenStackCredsSecretData{
 				Base64encodeCloudCreds: credsEncoded,