diff --git a/packages/adapter/src/extension/index.ts b/packages/adapter/src/extension/index.ts
index 2b807cd2..ba3b200f 100644
--- a/packages/adapter/src/extension/index.ts
+++ b/packages/adapter/src/extension/index.ts
@@ -21,9 +21,10 @@ interface IInjectPolkadotSnap extends IEnablePolkadotSnapParams {
   injectedSnapId?: string;
 }
 
-function transformAccounts(accounts: string[]): InjectedAccount[] {
+function transformAccounts(accounts: string[], config?: SnapConfig): InjectedAccount[] {
   return accounts.map((address, i) => ({
     address,
+    genesisHash: config?.genesisHash,
     name: `Polkadot Snap #${i}`,
     type: 'ed25519'
   }));
@@ -46,7 +47,7 @@ function injectPolkadotSnap({
         accounts: {
           get: async (): Promise<InjectedAccount[]> => {
             const response = await snap.getAddress();
-            return transformAccounts([response]);
+            return transformAccounts([response], config);
           },
           // Currently there is only available only one account, in that case this method will never return anything
           // eslint-disable-next-line @typescript-eslint/no-unused-vars
diff --git a/packages/snap/src/configuration/predefined.ts b/packages/snap/src/configuration/predefined.ts
index 71dd2fe7..f3f08792 100644
--- a/packages/snap/src/configuration/predefined.ts
+++ b/packages/snap/src/configuration/predefined.ts
@@ -3,6 +3,7 @@ import type { SnapConfig } from '@chainsafe/metamask-polkadot-types';
 export const kusamaConfiguration: SnapConfig = {
   addressPrefix: 2,
   networkName: 'kusama',
+  genesisHash: '0xb0a8d493285c2df73290dfb7e61f870f17b41801197a149ca93654499ea3dafe',
   unit: {
     decimals: 12,
     image: 'https://svgshare.com/i/L3o.svg',
@@ -14,6 +15,7 @@ export const kusamaConfiguration: SnapConfig = {
 export const westendConfiguration: SnapConfig = {
   addressPrefix: 42,
   networkName: 'westend',
+  genesisHash: '0xe143f23803ac50e8f6f8e62695d1ce9e4e1d68aa36c1cd2cfd15340213f3423e',
   unit: {
     decimals: 12,
     image: 'https://svgshare.com/i/L2d.svg',
@@ -25,6 +27,7 @@ export const westendConfiguration: SnapConfig = {
 export const polkadotConfiguration: SnapConfig = {
   addressPrefix: 0,
   networkName: 'polkadot',
+  genesisHash: '0x91b171bb158e2d3848fa23a9f1c25182fb8e20313b2c1eb49219da7a70ce90c3',
   unit: {
     decimals: 12,
     image: 'https://polkadot.js.org/apps/static/polkadot-circle.1eea41b2..svg',
diff --git a/packages/types/index.d.ts b/packages/types/index.d.ts
index d1dd8fa4..9dc44427 100644
--- a/packages/types/index.d.ts
+++ b/packages/types/index.d.ts
@@ -16,7 +16,7 @@ export interface ExportAccountRequest {
   method: 'exportAccount';
   params: {
     jsonPassphrase?: string;
-  }
+  };
 }
 
 export interface GetTransactionsRequest {
@@ -136,6 +136,7 @@ export type SnapNetworks = 'polkadot' | 'kusama' | 'westend' | string;
 
 export interface SnapConfig {
   networkName: SnapNetworks;
+  genesisHash?: `0x${string}`;
   wsRpcUrl?: string;
   addressPrefix?: number;
   unit?: UnitConfiguration;