kc3-lang/kc3

diff --git a/httpd/fx/app/controllers/fx_controller.kc3 b/httpd/fx/app/controllers/fx_controller.kc3
index 844414b..29edace 100644
--- a/httpd/fx/app/controllers/fx_controller.kc3
+++ b/httpd/fx/app/controllers/fx_controller.kc3
@@ -86,10 +86,7 @@ defmodule FXController do
        (request.url == "/fx" ||
         Str.starts_with?(request.url, "/fx/")) do
       path = "." + request.url
-      response = show_file(path, request.url)
-      if (response) do
-        response
-      end
+      show_file(path, request.url)
     end
   }
 
diff --git a/lib/kc3/0.1/httpd.kc3 b/lib/kc3/0.1/httpd.kc3
index 14d62fb..6a610b0 100644
--- a/lib/kc3/0.1/httpd.kc3
+++ b/lib/kc3/0.1/httpd.kc3
@@ -139,7 +139,7 @@ defmodule HTTPd do
   def redirect_to = fn (url) {
     %HTTP.Response{code: 303,
                    message: "See other",
-                   headers: [{"Location", url}],
+                   headers: [{"Location", URL.escape(url)}],
                    body: ""}
   }