diff --git a/cellxgene_gateway/filecrawl.py b/cellxgene_gateway/filecrawl.py
index 1001276..aa15eef 100644
--- a/cellxgene_gateway/filecrawl.py
+++ b/cellxgene_gateway/filecrawl.py
@@ -89,7 +89,7 @@ def render_entries(entries):
 
 
 def get_url(entry):
-    return url_for("do_view", entry)
+    return url_for("do_view", path=entry["path"])
 
 
 def get_class(entry):