diff --git a/package-lock.json b/package-lock.json
index cb1a193..c63f139 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,6 +12,7 @@
         "@ethersproject/hdnode": "^5.7.0",
         "@ethersproject/providers": "^5.5.3",
         "@ibm/plex": "^5.1.3",
+        "@streamr/config": "^5.4.0",
         "@streamr/sdk": "^101.1.2",
         "@streamr/utils": "^101.1.2",
         "@tanstack/react-query": "^5.28.4",
diff --git a/package.json b/package.json
index 1a0d67e..c1cb004 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
     "@ethersproject/hdnode": "^5.7.0",
     "@ethersproject/providers": "^5.5.3",
     "@ibm/plex": "^5.1.3",
+    "@streamr/config": "^5.4.0",
     "@streamr/sdk": "^101.1.2",
     "@streamr/utils": "^101.1.2",
     "@tanstack/react-query": "^5.28.4",
diff --git a/src/components/StreamrClientProvider.tsx b/src/components/StreamrClientProvider.tsx
index 75fd316..febfc74 100644
--- a/src/components/StreamrClientProvider.tsx
+++ b/src/components/StreamrClientProvider.tsx
@@ -1,12 +1,15 @@
-import React from 'react'
+import React, { useState } from 'react'
 import Provider from 'streamr-client-react'
+import { getStreamrClientConfig } from '../utils/streams'
 
 interface Props {
   children: React.ReactNode
 }
 
 const StreamrClientProvider = ({ children }: Props) => {
-  return <Provider>{children}</Provider>
+  const [config] = useState(getStreamrClientConfig())
+
+  return <Provider {...config}>{children}</Provider>
 }
 
 export default StreamrClientProvider
diff --git a/src/utils/streams.ts b/src/utils/streams.ts
index e159543..1dd1ef6 100644
--- a/src/utils/streams.ts
+++ b/src/utils/streams.ts
@@ -1,4 +1,4 @@
-import { ResendOptions, StreamDefinition, StreamMessage } from '@streamr/sdk'
+import { ResendOptions, StreamDefinition, StreamMessage, StreamrClientConfig } from '@streamr/sdk'
 import { keyToArrayIndex } from '@streamr/utils'
 import { useQuery } from '@tanstack/react-query'
 import { useEffect, useMemo, useRef, useState } from 'react'
@@ -13,6 +13,7 @@ import {
   GetStreamsQueryVariables,
 } from '../generated/gql/indexer'
 import { getIndexerClient } from './queries'
+import { config } from '@streamr/config'
 
 function getLimitedStreamsQueryKey(phrase: string, limit: number) {
   return ['useLimitedStreamsQuery', phrase, limit]
@@ -191,10 +192,22 @@ export function useRecentOperatorNodeMetricEntry(nodeId: string) {
   return recent
 }
 
+export function getStreamrClientConfig(): StreamrClientConfig {
+  return {
+    metrics: false,
+    contracts: {
+      ethereumNetwork: {
+        chainId: config.polygon.id,
+      },
+      rpcs: config.polygon.rpcEndpoints.slice(0, 1)
+    },
+  }
+}
+
 async function getStreamrClientInstance() {
   const StreamrClient = (await import('@streamr/sdk')).default
 
-  return new StreamrClient()
+  return new StreamrClient(getStreamrClientConfig())
 }
 
 export function useStreamFromClient(streamId: string) {