diff --git a/src/newcoin.proto b/src/newcoin.proto
index 598694ad41..d62cb233e5 100644
--- a/src/newcoin.proto
+++ b/src/newcoin.proto
@@ -205,7 +205,7 @@ message TMObjectByHash
 }
 
 message TMLedgerNode {
-	optional bytes nodeid			= 1;
+	required bytes nodeid			= 1;
 	required bytes nodedata			= 2;
 }