1 files changed, 1 insertions, 0 deletions
diff --git a/packages/0x.js/test/utils/fill_scenarios.ts b/packages/0x.js/test/utils/fill_scenarios.ts
index 7d0e8c501..cd68b7dfa 100644
--- a/packages/0x.js/test/utils/fill_scenarios.ts
+++ b/packages/0x.js/test/utils/fill_scenarios.ts
@@ -33,6 +33,7 @@ export class FillScenarios {
     }
     public async initTokenBalancesAsync() {
         const web3Wrapper = (this._zeroEx as any)._web3Wrapper as Web3Wrapper;
+        const networkId = await web3Wrapper.getNetworkIdAsync();
         for (const token of this._tokens) {
             if (token.symbol !== 'ZRX' && token.symbol !== 'WETH') {
                 const defaults = {};