diff --git a/nevernote.py b/nevernote.py
index ebd07c1..a913a0a 100755
--- a/nevernote.py
+++ b/nevernote.py
@@ -119,6 +119,8 @@ def complete_url(url, base_url):
         up = urlparse(url)
         if not up.netloc:
             url = base_up.scheme + '://' + base_up.netloc + url
+        elif not up.scheme:
+            url = base_up.scheme + ':' + url
     return url