diff --git a/src/ocamlorg_web/lib/handler.ml b/src/ocamlorg_web/lib/handler.ml
index 77429bd21d..ada432fa8a 100644
--- a/src/ocamlorg_web/lib/handler.ml
+++ b/src/ocamlorg_web/lib/handler.ml
@@ -722,7 +722,10 @@ module Package_helper = struct
     let package =
       if version = "latest" then Ocamlorg_package.get_latest t name
       else
-        Ocamlorg_package.get t name (Ocamlorg_package.Version.of_string version)
+        try
+          Ocamlorg_package.get t name
+            (Ocamlorg_package.Version.of_string version)
+        with _ -> None
     in
     package
     |> Option.map (fun package ->