diff --git a/lib/opcodes.py b/lib/opcodes.py
index de6bd91deecfc60ae5fffc658f30a3f886ff8a6d..0f5de5a8862ed3a332497ce4a0c41596f62e8e68 100644
--- a/lib/opcodes.py
+++ b/lib/opcodes.py
@@ -155,7 +155,7 @@ _TestNicDef = ht.TDictOf(ht.TElemOf(constants.INIC_PARAMS),
 
 _TSetParamsResultItemItems = [
   ht.Comment("name of changed parameter")(ht.TNonEmptyString),
-  ht.TAny,
+  ht.Comment("new value")(ht.TAny),
   ]
 
 _TSetParamsResult = \