diff --git a/cloudant/resource.py b/cloudant/resource.py
index 764e3d4..0eb34cf 100644
--- a/cloudant/resource.py
+++ b/cloudant/resource.py
@@ -71,7 +71,7 @@ def _make_url(self, path=''):
             if urlparse.urlparse(path).scheme:
                 return path
             else:
-                return '/'.join([self.uri, path])
+                return urlparse.urljoin(self.uri, path)
         else:
             return self.uri