diff --git a/contracts/exchange/contracts/src/interfaces/IExchangeRichErrors.sol b/contracts/exchange/contracts/src/interfaces/IExchangeRichErrors.sol
index e00da1dd40..1482a944f2 100644
--- a/contracts/exchange/contracts/src/interfaces/IExchangeRichErrors.sol
+++ b/contracts/exchange/contracts/src/interfaces/IExchangeRichErrors.sol
@@ -2,6 +2,7 @@ pragma solidity ^0.5.9;
 
 
 contract IExchangeRichErrors {
+
     enum AssetProxyDispatchErrorCodes {
         INVALID_ASSET_DATA_LENGTH,
         UNKNOWN_ASSET_PROXY
diff --git a/contracts/utils/contracts/src/RichErrors.sol b/contracts/utils/contracts/src/RichErrors.sol
index 5dcb4439a1..ebba8b7d4f 100644
--- a/contracts/utils/contracts/src/RichErrors.sol
+++ b/contracts/utils/contracts/src/RichErrors.sol
@@ -20,6 +20,7 @@ pragma solidity ^0.5.9;
 
 
 contract RichErrors {
+
     // bytes4(keccak256("Error(string)"))
     bytes4 internal constant STANDARD_ERROR_SELECTOR =
         0x08c379a0;