diff --git a/src/routes/safe/components/Apps/components/AppFrame.tsx b/src/routes/safe/components/Apps/components/AppFrame.tsx
index e332d6c9..1367cfb2 100644
--- a/src/routes/safe/components/Apps/components/AppFrame.tsx
+++ b/src/routes/safe/components/Apps/components/AppFrame.tsx
@@ -12,7 +12,7 @@ import {
   safeNameSelector,
 } from 'src/logic/safe/store/selectors'
 import { grantedSelector } from 'src/routes/safe/container/selector'
-import { getNetworkName, getTxServiceUrl } from 'src/config'
+import { getNetworkId, getNetworkName, getTxServiceUrl } from 'src/config'
 import { SAFELIST_ADDRESS } from 'src/routes/routes'
 import { isSameURL } from 'src/utils/url'
 import { useAnalytics, SAFE_NAVIGATION_EVENT } from 'src/utils/googleAnalytics'
@@ -74,6 +74,7 @@ type Props = {
 }
 
 const NETWORK_NAME = getNetworkName()
+const NETWORK_ID = getNetworkId()
 
 const INITIAL_CONFIRM_TX_MODAL_STATE: ConfirmTransactionModalState = {
   isOpen: false,
@@ -166,6 +167,7 @@ const AppFrame = ({ appUrl }: Props): ReactElement => {
     communicator?.on('getSafeInfo', () => ({
       safeAddress,
       network: NETWORK_NAME,
+      chainId: NETWORK_ID,
     }))
 
     communicator?.on('rpcCall', async (msg) => {