diff --git a/sharding/contracts/validator_manager.sol b/sharding/contracts/validator_manager.sol
index 41809a22b5..eef76ae021 100644
--- a/sharding/contracts/validator_manager.sol
+++ b/sharding/contracts/validator_manager.sol
@@ -23,9 +23,9 @@ contract VMC {
     uint txStartgas;
     uint txGasprice;
     uint value;
+    bytes32 data;
     address sender;
     address to;
-    bytes32 data;
   }
 
   mapping (int => Validator) validators;