Merge branch 'master' into batchFillOrKill

# Conflicts:
#	test/exchange_wrapper_test.ts

1 files changed, 1 insertions, 1 deletions

diff --git a/src/contract_wrappers/contract_wrapper.ts b/src/contract_wrappers/contract_wrapper.ts
index 9f4cd8039..c3067f613 100644
--- a/src/contract_wrappers/contract_wrapper.ts
+++ b/src/contract_wrappers/contract_wrapper.ts
@@ -5,7 +5,7 @@ import {ZeroExError} from '../types';
 import {utils} from '../utils/utils';
 
 export class ContractWrapper {
-    public web3Wrapper: Web3Wrapper;
+    protected web3Wrapper: Web3Wrapper;
     constructor(web3Wrapper: Web3Wrapper) {
         this.web3Wrapper = web3Wrapper;
     }