Get networkId from web3Wrapper

2 files changed, 3 insertions, 3 deletions

diff --git a/packages/fill-scenarios/src/constants.ts b/packages/fill-scenarios/src/constants.ts
index 0cd3d607a..ec2fe744a 100644
--- a/packages/fill-scenarios/src/constants.ts
+++ b/packages/fill-scenarios/src/constants.ts
@@ -1,4 +1,3 @@
 export const constants = {
     NULL_ADDRESS: '0x0000000000000000000000000000000000000000',
-    TEST_RPC_NETWORK_ID: 50,
 };
diff --git a/packages/fill-scenarios/src/index.ts b/packages/fill-scenarios/src/index.ts
index 0c62ef410..8c7fa500e 100644
--- a/packages/fill-scenarios/src/index.ts
+++ b/packages/fill-scenarios/src/index.ts
@@ -234,9 +234,10 @@ export class FillScenarios {
             this._web3Wrapper.getProvider(),
             this._web3Wrapper.getContractDefaults(),
         );
-        const networkArtifactsIfExists = artifacts.TokenTransferProxy.networks[constants.TEST_RPC_NETWORK_ID];
+        const networkId = await this._web3Wrapper.getNetworkIdAsync();
+        const networkArtifactsIfExists = artifacts.TokenTransferProxy.networks[networkId];
         if (_.isUndefined(networkArtifactsIfExists)) {
-            throw new Error(`Did not find network artifacts for networkId: ${constants.TEST_RPC_NETWORK_ID}`);
+            throw new Error(`Did not find network artifacts for networkId: ${networkId}`);
         }
         const proxyAddress = networkArtifactsIfExists.address;
         const oldMakerAllowance = await tokenInstance.allowance.callAsync(address, proxyAddress);