diff --git a/static.go b/static.go
index aea41b0..20d60fa 100644
--- a/static.go
+++ b/static.go
@@ -29,11 +29,7 @@ type uiAssetsHandler struct {
 // serve the file specified by the URL path.
 func (h *uiAssetsHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	// Get the absolute path to prevent directory traversal.
-	path, err := filepath.Abs(r.URL.Path)
-	if err != nil {
-		http.Error(w, err.Error(), http.StatusBadRequest)
-		return
-	}
+	path := filepath.filepath.ToSlash(filepath.Clean(r.URL.Path))
 
 	// Get the path relative to the root path.
 	if !strings.HasPrefix(path, h.rootPath) {