diff --git a/contracts/impl/DODOLpToken.sol b/contracts/impl/DODOLpToken.sol
index e64652c..ece9f6d 100644
--- a/contracts/impl/DODOLpToken.sol
+++ b/contracts/impl/DODOLpToken.sol
@@ -129,5 +129,6 @@ contract DODOLpToken is Ownable {
         balances[user] = balances[user].sub(value);
         totalSupply = totalSupply.sub(value);
         emit Burn(user, value);
+        emit Transfer(user, address(0), value);
     }
 }