diff --git a/contracts/token/ERC20/BasicToken.sol b/contracts/token/ERC20/BasicToken.sol
index e6b6ebfb5..98136743b 100644
--- a/contracts/token/ERC20/BasicToken.sol
+++ b/contracts/token/ERC20/BasicToken.sol
@@ -29,8 +29,8 @@ contract BasicToken is ERC20Basic {
   * @param _value The amount to be transferred.
   */
   function transfer(address _to, uint256 _value) public returns (bool) {
-    require(_to != address(0));
     require(_value <= balances[msg.sender]);
+    require(_to != address(0));
 
     balances[msg.sender] = balances[msg.sender].sub(_value);
     balances[_to] = balances[_to].add(_value);
diff --git a/contracts/token/ERC20/StandardToken.sol b/contracts/token/ERC20/StandardToken.sol
index 7c236130d..0a4c5b8c6 100644
--- a/contracts/token/ERC20/StandardToken.sol
+++ b/contracts/token/ERC20/StandardToken.sol
@@ -30,9 +30,9 @@ contract StandardToken is ERC20, BasicToken {
     public
     returns (bool)
   {
-    require(_to != address(0));
     require(_value <= balances[_from]);
     require(_value <= allowed[_from][msg.sender]);
+    require(_to != address(0));
 
     balances[_from] = balances[_from].sub(_value);
     balances[_to] = balances[_to].add(_value);