diff --git a/contracts/coordinator/contracts/src/libs/LibCoordinatorApproval.sol b/contracts/coordinator/contracts/src/libs/LibCoordinatorApproval.sol
index 11e15629a7..aa662d9289 100644
--- a/contracts/coordinator/contracts/src/libs/LibCoordinatorApproval.sol
+++ b/contracts/coordinator/contracts/src/libs/LibCoordinatorApproval.sol
@@ -25,7 +25,7 @@ contract LibCoordinatorApproval is
     LibEIP712Domain
 {
     // Hash for the EIP712 Coordinator approval message
-    bytes32 constant internal EIP712_Coordinator_APPROVAL_SCHEMA_HASH = keccak256(abi.encodePacked(
+    bytes32 constant internal EIP712_COORDINATOR_APPROVAL_SCHEMA_HASH = keccak256(abi.encodePacked(
         "CoordinatorApproval(",
         "bytes32 transactionHash,",
         "bytes transactionSignature,",
@@ -59,7 +59,7 @@ contract LibCoordinatorApproval is
         pure
         returns (bytes32 result)
     {
-        bytes32 schemaHash = EIP712_Coordinator_APPROVAL_SCHEMA_HASH;
+        bytes32 schemaHash = EIP712_COORDINATOR_APPROVAL_SCHEMA_HASH;
         bytes32 transactionSignatureHash = keccak256(approval.transactionSignature);
         // TODO(abandeali1): optimize by loading from memory in assembly
         bytes32 transactionHash = approval.transactionHash;
@@ -67,7 +67,7 @@ contract LibCoordinatorApproval is
 
         // Assembly for more efficiently computing:
         // keccak256(abi.encodePacked(
-        //     EIP712_Coordinator_APPROVAL_SCHEMA_HASH,
+        //     EIP712_COORDINATOR_APPROVAL_SCHEMA_HASH,
         //     approval.transactionHash,
         //     keccak256(approval.transactionSignature)
         //     approval.expiration,
diff --git a/contracts/coordinator/test/utils/constants.ts b/contracts/coordinator/test/utils/constants.ts
index ff348b3258..83a23c00e2 100644
--- a/contracts/coordinator/test/utils/constants.ts
+++ b/contracts/coordinator/test/utils/constants.ts
@@ -1,9 +1,9 @@
 import { BigNumber } from '@0x/utils';
 
 export const constants = {
-    Coordinator_DOMAIN_NAME: '0x Protocol Trade Execution Coordinator',
-    Coordinator_DOMAIN_VERSION: '1.0.0',
-    Coordinator_APPROVAL_SCHEMA: {
+    COORDINATOR_DOMAIN_NAME: '0x Protocol Trade Execution Coordinator',
+    COORDINATOR_DOMAIN_VERSION: '1.0.0',
+    COORDINATOR_APPROVAL_SCHEMA: {
         name: 'CoordinatorApproval',
         parameters: [
             { name: 'transactionHash', type: 'bytes32' },
diff --git a/contracts/coordinator/test/utils/hash_utils.ts b/contracts/coordinator/test/utils/hash_utils.ts
index b03c62c3bc..6bd1c5dd54 100644
--- a/contracts/coordinator/test/utils/hash_utils.ts
+++ b/contracts/coordinator/test/utils/hash_utils.ts
@@ -9,8 +9,8 @@ import { constants } from './index';
 export const hashUtils = {
     getApprovalHashBuffer(transaction: SignedZeroExTransaction, approvalExpirationTimeSeconds: BigNumber): Buffer {
         const domain = {
-            name: constants.Coordinator_DOMAIN_NAME,
-            version: constants.Coordinator_DOMAIN_VERSION,
+            name: constants.COORDINATOR_DOMAIN_NAME,
+            version: constants.COORDINATOR_DOMAIN_VERSION,
             verifyingContractAddress: transaction.verifyingContractAddress,
         };
         const transactionHash = hashUtils.getTransactionHashHex(transaction);
@@ -20,9 +20,9 @@ export const hashUtils = {
             approvalExpirationTimeSeconds: approvalExpirationTimeSeconds.toString(),
         };
         const typedData = eip712Utils.createTypedData(
-            constants.Coordinator_APPROVAL_SCHEMA.name,
+            constants.COORDINATOR_APPROVAL_SCHEMA.name,
             {
-                CoordinatorApproval: constants.Coordinator_APPROVAL_SCHEMA.parameters,
+                CoordinatorApproval: constants.COORDINATOR_APPROVAL_SCHEMA.parameters,
             },
             approval,
             domain,
@@ -38,8 +38,8 @@ export const hashUtils = {
     },
     getTransactionHashBuffer(transaction: ZeroExTransaction | SignedZeroExTransaction): Buffer {
         const domain = {
-            name: constants.Coordinator_DOMAIN_NAME,
-            version: constants.Coordinator_DOMAIN_VERSION,
+            name: constants.COORDINATOR_DOMAIN_NAME,
+            version: constants.COORDINATOR_DOMAIN_VERSION,
             verifyingContractAddress: transaction.verifyingContractAddress,
         };
         const normalizedTransaction = _.mapValues(transaction, value => {