diff --git a/contracts/TornadoPool.sol b/contracts/TornadoPool.sol
index 9f7bf8c..7377ccf 100644
--- a/contracts/TornadoPool.sol
+++ b/contracts/TornadoPool.sol
@@ -113,7 +113,7 @@ contract TornadoPool {
     }
   }
 
-  function calculatePublicAmount(int256 _extAmount, uint256 _fee) public pure returns(uint256) {
+  function calculatePublicAmount(int256 _extAmount, uint256 _fee) public pure returns (uint256) {
     require(_fee < MAX_FEE, "Invalid fee");
     require(_extAmount > -MAX_EXT_AMOUNT && _extAmount < MAX_EXT_AMOUNT, "Invalid ext amount");
     int256 publicAmount = _extAmount - int256(_fee);