diff --git a/utils/subpath.go b/utils/subpath.go
index 6bfccad5f3..d294de2da5 100644
--- a/utils/subpath.go
+++ b/utils/subpath.go
@@ -45,14 +45,14 @@ func GetSubpathScriptHash(subpath string) string {
 	return fmt.Sprintf(" 'sha256-%s'", base64.StdEncoding.EncodeToString(scriptHash[:]))
 }
 
-// UpdateAssetsSubpath rewrites assets in the /client directory to assume the application is hosted
-// at the given subpath instead of at the root. No changes are written unless necessary.
-func UpdateAssetsSubpath(subpath string) error {
+// UpdateAssetsSubpathInDir rewrites assets in the given directory to assume the application is
+// hosted at the given subpath instead of at the root. No changes are written unless necessary.
+func UpdateAssetsSubpathInDir(subpath, directory string) error {
 	if subpath == "" {
 		subpath = "/"
 	}
 
-	staticDir, found := fileutils.FindDir(model.CLIENT_DIR)
+	staticDir, found := fileutils.FindDir(directory)
 	if !found {
 		return errors.New("failed to find client dir")
 	}
@@ -139,6 +139,12 @@ func UpdateAssetsSubpath(subpath string) error {
 	return nil
 }
 
+// UpdateAssetsSubpath rewrites assets in the /client directory to assume the application is hosted
+// at the given subpath instead of at the root. No changes are written unless necessary.
+func UpdateAssetsSubpath(subpath string) error {
+	return UpdateAssetsSubpathInDir(subpath, model.CLIENT_DIR)
+}
+
 // UpdateAssetsSubpathFromConfig uses UpdateAssetsSubpath and any path defined in the SiteURL.
 func UpdateAssetsSubpathFromConfig(config *model.Config) error {
 	// Don't rewrite in development environments, since webpack in developer mode constantly