diff --git a/http/upload.lua b/http/upload.lua
index acf12bf..283453c 100644
--- a/http/upload.lua
+++ b/http/upload.lua
@@ -1,5 +1,5 @@
 return function (connection, req, args)
-    dofile("httpserver-header.lc")(connection, 200, 'application/json')
+    dofile("httpserver-header.lc")(connection, 200, 'json')
 	connection:send('{')
 
 	local mbOffset = nil