diff --git a/public/js/views/document.js b/public/js/views/document.js
index 3a72f4a..801c963 100644
--- a/public/js/views/document.js
+++ b/public/js/views/document.js
@@ -14,7 +14,7 @@ export async function renderDocument(app) {
     return;
   }
   
-  const backToProject = () => {
+  window.backToProject = () => {
     if (projectId) {
       app.navigate('project', { id: projectId });
     } else {