diff --git a/main.go b/main.go
index c1643b5..68d7f1c 100644
--- a/main.go
+++ b/main.go
@@ -327,7 +327,11 @@ func executeCLI(cmd *cobra.Command, src *source, w io.Writer) error {
 		}
 		return nil
 	case tui || cmd.Flags().Changed("tui"):
-		return runTUI(src.URL, content)
+		path := ""
+		if !isURL(src.URL) {
+			path = src.URL
+		}
+		return runTUI(path, content)
 	default:
 		if _, err = fmt.Fprint(w, out); err != nil {
 			return fmt.Errorf("unable to write to writer: %w", err)
diff --git a/url.go b/url.go
index 8430d5a..f716681 100644
--- a/url.go
+++ b/url.go
@@ -79,3 +79,8 @@ func gitlabReadmeURL(path string) *url.URL {
 	u, _ := url.Parse(gitlabURL.String())
 	return u.JoinPath(path)
 }
+
+func isURL(path string) bool {
+	_, err := url.ParseRequestURI(path)
+	return err == nil && strings.Contains(path, "://")
+}