1 files changed, 4 insertions, 4 deletions
diff --git a/packages/0x.js/test/utils/token_utils.ts b/packages/0x.js/test/utils/token_utils.ts
index 4634899a7..bd66d81bf 100644
--- a/packages/0x.js/test/utils/token_utils.ts
+++ b/packages/0x.js/test/utils/token_utils.ts
@@ -6,19 +6,19 @@ const PROTOCOL_TOKEN_SYMBOL = 'ZRX';
 const WETH_TOKEN_SYMBOL = 'WETH';
 
 export class TokenUtils {
-    private tokens: Token[];
+    private _tokens: Token[];
     constructor(tokens: Token[]) {
-        this.tokens = tokens;
+        this._tokens = tokens;
     }
     public getProtocolTokenOrThrow(): Token {
-        const zrxToken = _.find(this.tokens, {symbol: PROTOCOL_TOKEN_SYMBOL});
+        const zrxToken = _.find(this._tokens, {symbol: PROTOCOL_TOKEN_SYMBOL});
         if (_.isUndefined(zrxToken)) {
             throw new Error(InternalZeroExError.ZrxNotInTokenRegistry);
         }
         return zrxToken;
     }
     public getDummyTokens(): Token[] {
-        const dummyTokens = _.filter(this.tokens, token => {
+        const dummyTokens = _.filter(this._tokens, token => {
             return !_.includes([PROTOCOL_TOKEN_SYMBOL, WETH_TOKEN_SYMBOL], token.symbol);
         });
         return dummyTokens;