diff --git a/src/pyj/ajax.pyj b/src/pyj/ajax.pyj
index 16f054c9da..a1e4586cd9 100644
--- a/src/pyj/ajax.pyj
+++ b/src/pyj/ajax.pyj
@@ -5,6 +5,7 @@ def ajax(path, on_complete, on_progress=None, bypass_cache=True, method='GET'):
     xhr = XMLHttpRequest()
     if bypass_cache:
         path += ('&' if '?' in path else '?') + Date().getTime()
+    xhr.request_path = path
 
     def progress_callback(ev):
         if ev.lengthComputable:
diff --git a/src/pyj/srv.pyj b/src/pyj/srv.pyj
index e64be635f4..523254781c 100644
--- a/src/pyj/srv.pyj
+++ b/src/pyj/srv.pyj
@@ -12,9 +12,9 @@ def on_library_loaded(end_type, xhr, ev):
         data = xhr.response
         data
     else:
-        document.body.appendChild(E.p(style="color:red", _(
-            'Failed to download library data, with status:') + str.format(' [{}] {}', xhr.status, xhr.statusText)
-        ))
+        document.body.appendChild(E.p(style="color:red", str.format(_(
+            'Failed to download library data from "{}", with status: [{}] {}'),
+        xhr.request_path, xhr.status, xhr.statusText)))
 
 def on_library_load_progress(loaded, total):
     p = document.querySelector('#page_load_progress > progress')