diff --git a/balancer-js/examples/helpers/forked-utils.ts b/balancer-js/examples/helpers/forked-utils.ts
index 257cd0a71..6f1bb2efa 100644
--- a/balancer-js/examples/helpers/forked-utils.ts
+++ b/balancer-js/examples/helpers/forked-utils.ts
@@ -6,7 +6,7 @@ import { JsonRpcProvider } from '@ethersproject/providers'
  * @param provider JsonRpcProvider
  * @param blockNumber Block number to reset fork to
  */
-export const reset = (provider: JsonRpcProvider, blockNumber: number, jsonRpcUrl = 'https://rpc.ankr.com/eth'): Promise<void> =>
+export const reset = (provider: JsonRpcProvider, blockNumber?: number, jsonRpcUrl = 'https://rpc.ankr.com/eth'): Promise<void> =>
   provider.send('hardhat_reset', [
     {
       forking: {
diff --git a/balancer-js/examples/swaps/swap.ts b/balancer-js/examples/swaps/swap.ts
index 98924d382..345156f5f 100644
--- a/balancer-js/examples/swaps/swap.ts
+++ b/balancer-js/examples/swaps/swap.ts
@@ -7,6 +7,7 @@
 import { BalancerSDK, Network } from '@balancer-labs/sdk'
 import { formatFixed } from '@ethersproject/bignumber'
 import { AddressZero } from '@ethersproject/constants'
+import { reset } from 'examples/helpers/forked-utils'
 
 const tokenIn = AddressZero // eth
 const tokenOut = '0x2260fac5e5542a773aa44fbcfedf7c193bc2c599' // wBTC
@@ -22,6 +23,8 @@ const { swaps } = sdk
 const erc20Out = sdk.contracts.ERC20(tokenOut, sdk.provider)
 
 async function swap() {
+  await reset(sdk.provider)
+
   const signer = sdk.provider.getSigner()
   const account = await signer.getAddress()
 
diff --git a/balancer-js/src/modules/swaps/swaps.module.ts b/balancer-js/src/modules/swaps/swaps.module.ts
index 7b224d048..82c131816 100644
--- a/balancer-js/src/modules/swaps/swaps.module.ts
+++ b/balancer-js/src/modules/swaps/swaps.module.ts
@@ -289,7 +289,7 @@ export class Swaps {
    */
   // eslint-disable-next-line @typescript-eslint/no-unused-vars
   async fetchPools(queryArgs?: GraphQLArgs): Promise<boolean> {
-    return this.sor.fetchPools();
+    return this.sor.fetchPools(queryArgs);
   }
 
   public getPools(): SubgraphPoolBase[] {