diff --git a/packages/ra-core/src/core/useConfigureAdminRouterFromChildren.spec.tsx b/packages/ra-core/src/core/useConfigureAdminRouterFromChildren.spec.tsx
index 1a0a1dfa213..0340275ceea 100644
--- a/packages/ra-core/src/core/useConfigureAdminRouterFromChildren.spec.tsx
+++ b/packages/ra-core/src/core/useConfigureAdminRouterFromChildren.spec.tsx
@@ -80,6 +80,31 @@ const TestedComponentReturningNull = ({ role }) => {
     );
 };
 
+const TestedComponentWithAuthProvider = ({ callback }) => {
+    const history = createMemoryHistory();
+    const authProvider = {
+        login: () => Promise.resolve(),
+        logout: () => Promise.resolve(),
+        checkAuth: () => Promise.resolve(),
+        checkError: () => Promise.resolve(),
+        getPermissions: () => Promise.resolve('admin'),
+    };
+
+    return (
+        <CoreAdminContext history={history} authProvider={authProvider}>
+            <CoreAdminRoutes
+                layout={MyLayout}
+                catchAll={CatchAll}
+                loading={Loading}
+            >
+                <Resource name="posts" />
+                <Resource name="comments" />
+                {callback}
+            </CoreAdminRoutes>
+        </CoreAdminContext>
+    );
+};
+
 const ResourceWithPermissions = (props: ResourceProps) => (
     <Resource {...props} />
 );
@@ -186,6 +211,16 @@ describe('useConfigureAdminRouterFromChildren', () => {
         expectResource('user').toBeNull();
         expectResource('admin').toBeNull();
     });
+    it('should not call the children function until the permissions have been retrieved', async () => {
+        const callback = jest.fn(() =>
+            Promise.resolve(resolve => setTimeout(resolve, 50))
+        );
+
+        render(<TestedComponentWithAuthProvider callback={callback} />);
+        await waitFor(() => expect(callback).toHaveBeenCalled());
+
+        expect(callback).not.toHaveBeenCalledWith(undefined);
+    });
     it('should load dynamic resource definitions', async () => {
         render(<TestedComponent role="admin" />);
         await waitFor(() => expect(screen.queryByText('Loading')).toBeNull());
diff --git a/packages/ra-core/src/core/useConfigureAdminRouterFromChildren.tsx b/packages/ra-core/src/core/useConfigureAdminRouterFromChildren.tsx
index 8147c20598a..2ed39f7adf4 100644
--- a/packages/ra-core/src/core/useConfigureAdminRouterFromChildren.tsx
+++ b/packages/ra-core/src/core/useConfigureAdminRouterFromChildren.tsx
@@ -43,12 +43,13 @@ import { useResourceDefinitionContext } from './useResourceDefinitionContext';
 export const useConfigureAdminRouterFromChildren = (
     children: AdminChildren
 ): RoutesAndResources & { status: AdminRouterStatus } => {
-    const { permissions } = usePermissions();
+    const { permissions, isLoading } = usePermissions();
 
     // Whenever children are updated, update our custom routes and resources
     const [routesAndResources, status] = useRoutesAndResourcesFromChildren(
         children,
-        permissions
+        permissions,
+        isLoading
     );
 
     // Whenever the resources change, we must ensure they're all registered
@@ -70,7 +71,8 @@ export const useConfigureAdminRouterFromChildren = (
  */
 const useRoutesAndResourcesFromChildren = (
     children: ReactNode,
-    permissions: any
+    permissions: any,
+    isLoading: boolean
 ): [RoutesAndResources, AdminRouterStatus] => {
     // Gather custom routes and resources that were declared as direct children of CoreAdminRouter
     // e.g. Not returned from the child function (if any)
@@ -136,11 +138,14 @@ const useRoutesAndResourcesFromChildren = (
                 resolveChildFunction(functionChild);
             }
         };
-        updateFromChildren();
+        if (!isLoading) {
+            updateFromChildren();
+        }
     }, [
         authenticated,
         children,
         doLogout,
+        isLoading,
         mergeRoutesAndResources,
         permissions,
         setRoutesAndResources,
diff --git a/packages/ra-no-code/src/Admin.spec.tsx b/packages/ra-no-code/src/Admin.spec.tsx
index 1d459a12398..a5039668205 100644
--- a/packages/ra-no-code/src/Admin.spec.tsx
+++ b/packages/ra-no-code/src/Admin.spec.tsx
@@ -47,6 +47,10 @@ describe('Admin', () => {
             </ApplicationContext.Provider>
         );
 
+        await waitFor(() => {
+            screen.getByLabelText('CSV File');
+        });
+
         userEvents.upload(screen.getByLabelText('CSV File'), file);
 
         await screen.findByDisplayValue('customers');