diff --git a/packages/contracts/src/utils/types.ts b/packages/contracts/src/utils/types.ts
index f65a9858bb..b3da040c3b 100644
--- a/packages/contracts/src/utils/types.ts
+++ b/packages/contracts/src/utils/types.ts
@@ -173,8 +173,8 @@ export enum ContractLibErrors {
     AssetProxyMismatch = 'ASSET_PROXY_MISMATCH',
     AssetProxyIdMismatch = 'ASSET_PROXY_ID_MISMATCH',
     LengthGreaterThan0Required = 'LENGTH_GREATER_THAN_0_REQUIRED',
-    ExchangeLength0Required = 'LENGTH_0_REQUIRED',
-    ExchangeLength65Required = 'LENGTH_65_REQUIRED',
+    Length0Required = 'LENGTH_0_REQUIRED',
+    Length65Required = 'LENGTH_65_REQUIRED',
     InvalidAmount = 'INVALID_AMOUNT',
     TransferFailed = 'TRANSFER_FAILED',
     SenderNotAuthorized = 'SENDER_NOT_AUTHORIZED',
diff --git a/packages/contracts/test/exchange/signature_validator.ts b/packages/contracts/test/exchange/signature_validator.ts
index d53e0758e7..e3442a4c2e 100644
--- a/packages/contracts/test/exchange/signature_validator.ts
+++ b/packages/contracts/test/exchange/signature_validator.ts
@@ -162,7 +162,7 @@ describe('MixinSignatureValidator', () => {
                     signedOrder.makerAddress,
                     signatureHex,
                 ),
-                ContractLibErrors.ExchangeLength0Required,
+                ContractLibErrors.Length0Required,
             );
         });