diff --git a/src/api/entities/CustomPermissionGroup.ts b/src/api/entities/CustomPermissionGroup.ts
index f4d441f406..ecc8bde499 100644
--- a/src/api/entities/CustomPermissionGroup.ts
+++ b/src/api/entities/CustomPermissionGroup.ts
@@ -110,7 +110,7 @@ export class CustomPermissionGroup extends PermissionGroup {
   public async exists(): Promise<boolean> {
     const { ticker, id, context } = this;
 
-    const nextId = await context.polymeshApi.query.externalAgents.agIdSequence(
+    const nextId = await context.polymeshApi.query.externalAgents.aGIdSequence(
       stringToTicker(ticker, context)
     );
 
diff --git a/src/api/entities/__tests__/CustomPermissionGroup.ts b/src/api/entities/__tests__/CustomPermissionGroup.ts
index 3bf94e2598..97d0dd3364 100644
--- a/src/api/entities/__tests__/CustomPermissionGroup.ts
+++ b/src/api/entities/__tests__/CustomPermissionGroup.ts
@@ -141,13 +141,13 @@ describe('CustomPermissionGroup class', () => {
     test('should return whether the Custom Permission Group exists', async () => {
       const customPermissionGroup = new CustomPermissionGroup({ id, ticker }, context);
 
-      dsMockUtils.createQueryStub('externalAgents', 'agIdSequence', {
+      dsMockUtils.createQueryStub('externalAgents', 'aGIdSequence', {
         returnValue: dsMockUtils.createMockU32(0),
       });
 
       await expect(customPermissionGroup.exists()).resolves.toBe(false);
 
-      dsMockUtils.createQueryStub('externalAgents', 'agIdSequence', {
+      dsMockUtils.createQueryStub('externalAgents', 'aGIdSequence', {
         returnValue: dsMockUtils.createMockU32(10),
       });
 
diff --git a/src/polkadot/augment-api-query.ts b/src/polkadot/augment-api-query.ts
index cf21f517eb..3adfc6150e 100644
--- a/src/polkadot/augment-api-query.ts
+++ b/src/polkadot/augment-api-query.ts
@@ -955,7 +955,7 @@ declare module '@polkadot/api/types/storage' {
        * The full ID is defined as a combination of `Ticker` and a number in this sequence,
        * which starts from 1, rather than 0.
        **/
-      agIdSequence: AugmentedQuery<
+      aGIdSequence: AugmentedQuery<
         ApiType,
         (arg: Ticker | string | Uint8Array) => Observable<AGId>,
         [Ticker]