diff --git a/code/ryzom/client/data/gamedev/interfaces_v3/json.lua b/code/ryzom/client/data/gamedev/interfaces_v3/json.lua
index 9f5ac6e05..70d8c4413 100644
--- a/code/ryzom/client/data/gamedev/interfaces_v3/json.lua
+++ b/code/ryzom/client/data/gamedev/interfaces_v3/json.lua
@@ -115,7 +115,7 @@ encode = function(val, stack)
 end
 
 
-function json.encode(val)
+function Json.encode(val)
   return ( encode(val) )
 end