diff --git a/prosody-module/mod_http_upload_external/mod_http_upload_external.lua b/prosody-module/mod_http_upload_external/mod_http_upload_external.lua
index d123596..37026d2 100644
--- a/prosody-module/mod_http_upload_external/mod_http_upload_external.lua
+++ b/prosody-module/mod_http_upload_external/mod_http_upload_external.lua
@@ -361,7 +361,7 @@ local function create_upload_slot(origin, orig_from, stanza, namespace, recipien
 
      local reply = st.reply(stanza);
      reply:tag("slot", { xmlns = namespace });
-     if xmlns == xmlns_http_upload_0 then
+     if namespace == xmlns_http_upload_0 then
       reply:tag("put", { url = put_url }):up();
       reply:tag("get", { url = get_url }):up();
      else
@@ -476,4 +476,4 @@ module:hook("iq/host/"..xmlns_http_upload_0..":request", function (event)
     local content_type = request.attr["content-type"] or "application/octet-stream";
 
   return create_upload_slot(origin, orig_from, stanza, xmlns_http_upload_0, "Unknown", filename, filesize, content_type);
-end);
\ No newline at end of file
+end);