diff --git a/src/Filters/SessionAuth.php b/src/Filters/SessionAuth.php
index 6a8a0d8fe..b7d449666 100644
--- a/src/Filters/SessionAuth.php
+++ b/src/Filters/SessionAuth.php
@@ -61,10 +61,12 @@ public function before(RequestInterface $request, $arguments = null)
             }
 
             if ($user !== null && ! $user->isActivated()) {
-                $authenticator->logout();
-
-                return redirect()->route('login')
-                    ->with('error', lang('Auth.activationBlocked'));
+                // If an action has been defined for register, start it up.
+                $hasAction = $authenticator->startUpAction('register', $user);
+                if ($hasAction) {
+                    return redirect()->route('auth-action-show')
+                        ->with('error', lang('Auth.activationBlocked'));
+                }
             }
 
             return;
diff --git a/tests/Authentication/Filters/AbstractFilterTestCase.php b/tests/Authentication/Filters/AbstractFilterTestCase.php
index 23ece0925..d44f9e931 100644
--- a/tests/Authentication/Filters/AbstractFilterTestCase.php
+++ b/tests/Authentication/Filters/AbstractFilterTestCase.php
@@ -69,6 +69,7 @@ static function ($routes): void {
             echo 'Open';
         });
         $routes->get('login', 'AuthController::login', ['as' => 'login']);
+        $routes->get('auth/a/show', 'AuthActionController::show', ['as' => 'auth-action-show']);
         $routes->get('protected-user-route', static function (): void {
             echo 'Protected';
         }, ['filter' => $this->alias . ':users-read']);
diff --git a/tests/Authentication/Filters/SessionFilterTest.php b/tests/Authentication/Filters/SessionFilterTest.php
index 1b379ccc3..a217d7a74 100644
--- a/tests/Authentication/Filters/SessionFilterTest.php
+++ b/tests/Authentication/Filters/SessionFilterTest.php
@@ -58,7 +58,7 @@ public function testRecordActiveDate(): void
         $this->assertGreaterThan(auth('session')->user()->updated_at, auth('session')->user()->last_active);
     }
 
-    public function testBlocksInactiveUsers(): void
+    public function testBlocksInactiveUsersAndRedirectsToAuthAction(): void
     {
         $user = fake(UserModel::class, ['active' => false]);
 
@@ -77,7 +77,7 @@ public function testBlocksInactiveUsers(): void
         $result = $this->actingAs($user)
             ->get('protected-route');
 
-        $result->assertRedirectTo('/login');
+        $result->assertRedirectTo('/auth/a/show');
         // User should be logged out
         $this->assertNull(auth('session')->id());