diff --git a/mapping/JSONMapper.cs b/mapping/JSONMapper.cs
index e384932..c463481 100644
--- a/mapping/JSONMapper.cs
+++ b/mapping/JSONMapper.cs
@@ -106,6 +106,7 @@ namespace ln.json.mapping
             Add(new JSONTimeSpanMapping());
 
             Add(new JSONRPCCallMapping());
+			Add(new JSONRPCResultMapping());
 
         }