diff --git a/pkg/buildah/constants.go b/pkg/buildah/constants.go
index 0075b8517..4fe0362d1 100644
--- a/pkg/buildah/constants.go
+++ b/pkg/buildah/constants.go
@@ -69,11 +69,11 @@ var (
 	TransportContainersStorage = storage.Transport.Name()
 )
 
-func formatReferenceWithTransportName(tr string, ref string) string {
+func FormatReferenceWithTransportName(tr string, ref string) string {
 	switch tr {
-	case TransportAtomic, TransportDir, TransportDockerArchive, TransportOCI, TransportOCIArchive, TransportTarball, TransportSif:
+	case TransportAtomic, TransportContainersStorage, TransportDir, TransportDockerArchive, TransportOCI, TransportOCIArchive, TransportTarball, TransportSif:
 		return tr + ":" + ref
-	case TransportContainersStorage, TransportDocker:
+	case TransportDocker:
 		return tr + "://" + ref
 	default:
 		panic(fmt.Errorf("unknown transport %s", tr))
diff --git a/pkg/buildah/interface.go b/pkg/buildah/interface.go
index bcf45eec4..4cf14e91e 100644
--- a/pkg/buildah/interface.go
+++ b/pkg/buildah/interface.go
@@ -125,7 +125,7 @@ func finalizeReference(transport types.ImageTransport, imgName string) (types.Im
 			return transport, imgName
 		}
 	}
-	return transport, formatReferenceWithTransportName(transport.Name(), imgName)
+	return transport, FormatReferenceWithTransportName(transport.Name(), imgName)
 }
 
 func (impl *realImpl) InspectImage(name string, opts ...string) (*v1.Image, error) {