diff --git a/packages/snaps-controllers/src/snaps/SnapController.test.tsx b/packages/snaps-controllers/src/snaps/SnapController.test.tsx
index 9d2ea4efde..c0e409c64a 100644
--- a/packages/snaps-controllers/src/snaps/SnapController.test.tsx
+++ b/packages/snaps-controllers/src/snaps/SnapController.test.tsx
@@ -96,7 +96,10 @@ import {
   sleep,
 } from '../test-utils';
 import { delay } from '../utils';
-import { LEGACY_ENCRYPTION_KEY_DERIVATION_OPTIONS } from './constants';
+import {
+  LEGACY_ENCRYPTION_KEY_DERIVATION_OPTIONS,
+  PERMITTED_CHAINS_ENDOWMENT,
+} from './constants';
 import { SnapsRegistryStatus } from './registry';
 import type { SnapControllerState } from './SnapController';
 import {
@@ -4676,7 +4679,7 @@ describe('SnapController', () => {
         'endowment:ethereum-provider': {
           caveats: [],
         },
-        permittedChains: {},
+        [PERMITTED_CHAINS_ENDOWMENT]: {},
       };
 
       expect(messenger.call).toHaveBeenCalledWith(
diff --git a/packages/snaps-controllers/src/snaps/SnapController.ts b/packages/snaps-controllers/src/snaps/SnapController.ts
index 297514eba4..5f6e39bebe 100644
--- a/packages/snaps-controllers/src/snaps/SnapController.ts
+++ b/packages/snaps-controllers/src/snaps/SnapController.ts
@@ -118,8 +118,8 @@ import type {
   TerminateAllSnapsAction,
   TerminateSnapAction,
 } from '../services';
-import type { EncryptionResult } from '../types';
-import {
+import type {
+  EncryptionResult,
   type ExportableKeyEncryptor,
   type KeyDerivationOptions,
 } from '../types';
@@ -133,6 +133,7 @@ import {
 import {
   ALLOWED_PERMISSIONS,
   LEGACY_ENCRYPTION_KEY_DERIVATION_OPTIONS,
+  PERMITTED_CHAINS_ENDOWMENT,
 } from './constants';
 import type { SnapLocation } from './location';
 import { detectSnapLocation } from './location';
@@ -3652,17 +3653,15 @@ export class SnapController extends BaseController<
       // This needs to be assigned to have proper type inference.
       const modifiedPermissions: RequestedPermissions = {
         ...newPermissions,
-        permittedChains: {
+        [PERMITTED_CHAINS_ENDOWMENT]: {
           caveats: [
             {
               type: 'restrictNetworkSwitching',
               value: [configuration.chainId],
             },
           ],
-          date: Date.now(),
-          id: nanoid(),
           invoker: snapId,
-          parentCapability: 'permittedChains',
+          parentCapability: PERMITTED_CHAINS_ENDOWMENT,
         },
       };
 
diff --git a/packages/snaps-controllers/src/snaps/constants.ts b/packages/snaps-controllers/src/snaps/constants.ts
index 2125d9976d..4877ee521a 100644
--- a/packages/snaps-controllers/src/snaps/constants.ts
+++ b/packages/snaps-controllers/src/snaps/constants.ts
@@ -20,3 +20,5 @@ export const LEGACY_ENCRYPTION_KEY_DERIVATION_OPTIONS = {
     iterations: 10_000,
   },
 };
+
+export const PERMITTED_CHAINS_ENDOWMENT = 'endowment:permitted-chains';