diff --git a/.changeset/many-lizards-tap.md b/.changeset/many-lizards-tap.md
new file mode 100644
index 00000000000..8e45ec706fe
--- /dev/null
+++ b/.changeset/many-lizards-tap.md
@@ -0,0 +1,5 @@
+---
+"@clerk/elements": minor
+---
+
+Update signin `isLoggedInAndSingleSession` guard to navigate using `buildAfterSignInUrl` when true.
diff --git a/packages/elements/src/internals/machines/sign-in/router.machine.ts b/packages/elements/src/internals/machines/sign-in/router.machine.ts
index 32e53ca8f2a..e368e308003 100644
--- a/packages/elements/src/internals/machines/sign-in/router.machine.ts
+++ b/packages/elements/src/internals/machines/sign-in/router.machine.ts
@@ -2,7 +2,7 @@ import { joinURL } from '@clerk/shared/url';
 import { isWebAuthnAutofillSupported } from '@clerk/shared/webauthn';
 import type { SignInStatus } from '@clerk/types';
 import type { NonReducibleUnknown } from 'xstate';
-import { and, assign, enqueueActions, fromPromise, not, or, raise, sendTo, setup } from 'xstate';
+import { and, assign, enqueueActions, fromPromise, log, not, or, raise, sendTo, setup } from 'xstate';
 
 import {
   ERROR_CODES,
@@ -272,15 +272,12 @@ export const SignInRouterMachine = setup({
         {
           guard: 'isLoggedInAndSingleSession',
           actions: [
-            () => console.warn('logged-in-single-session-mode'),
+            log('Already logged in'),
             {
-              type: 'setError',
-              params: {
-                error: new ClerkElementsError('logged-in-single-session-mode', 'You are already logged in.'),
-              },
+              type: 'navigateExternal',
+              params: ({ context }) => ({ path: context.clerk.buildAfterSignInUrl() }),
             },
           ],
-          target: 'Start',
         },
         {
           guard: 'needsStart',
diff --git a/packages/elements/src/internals/machines/sign-up/router.machine.ts b/packages/elements/src/internals/machines/sign-up/router.machine.ts
index 59edc04d9a5..10f184991b8 100644
--- a/packages/elements/src/internals/machines/sign-up/router.machine.ts
+++ b/packages/elements/src/internals/machines/sign-up/router.machine.ts
@@ -139,6 +139,7 @@ export const SignUpRouterMachine = setup({
     hasClerkTransfer: ({ context }) => Boolean(context.router?.searchParams().get(SEARCH_PARAMS.transfer)),
     hasResource: ({ context }) => Boolean(context.clerk.client.signUp),
 
+    isLoggedInAndSingleSession: and(['isLoggedIn', 'isSingleSessionMode', not('isExampleMode')]),
     isStatusAbandoned: needsStatus('abandoned'),
     isStatusComplete: ({ context, event }) => {
       const resource = (event as SignUpRouterNextEvent)?.resource;
@@ -152,6 +153,7 @@ export const SignUpRouterMachine = setup({
     isStatusMissingRequirements: needsStatus('missing_requirements'),
 
     isLoggedIn: or(['isStatusComplete', ({ context }) => Boolean(context.clerk.user)]),
+    isSingleSessionMode: ({ context }) => Boolean(context.clerk?.__unstable__environment?.authConfig.singleSessionMode),
     isExampleMode: ({ context }) => Boolean(context.exampleMode),
     isMissingRequiredFields: and(['isStatusMissingRequirements', 'areFieldsMissing']),
     isMissingRequiredUnverifiedFields: and(['isStatusMissingRequirements', 'areFieldsUnverified']),
@@ -254,7 +256,7 @@ export const SignUpRouterMachine = setup({
       }),
       always: [
         {
-          guard: and(['isLoggedIn', not('isExampleMode')]),
+          guard: 'isLoggedInAndSingleSession',
           actions: [
             log('Already logged in'),
             {