diff --git a/app/Domains/Contact/ManageReminders/Services/UpdateContactReminder.php b/app/Domains/Contact/ManageReminders/Services/UpdateContactReminder.php
index e15752ec2f8..4554b8472d9 100644
--- a/app/Domains/Contact/ManageReminders/Services/UpdateContactReminder.php
+++ b/app/Domains/Contact/ManageReminders/Services/UpdateContactReminder.php
@@ -83,7 +83,7 @@ private function update(): void
 
     private function deleteOldScheduledReminders(): void
     {
-        $this->reminder->userNotificationChannels->each->delete();
+        $this->reminder->userNotificationChannels()->detach();
     }
 
     private function scheduledReminderForAllUsersInVault(): void
diff --git a/app/Domains/Settings/ManageNotificationChannels/Web/Controllers/TelegramWebhookController.php b/app/Domains/Settings/ManageNotificationChannels/Web/Controllers/TelegramWebhookController.php
index 509e58d4233..a53a00dc440 100644
--- a/app/Domains/Settings/ManageNotificationChannels/Web/Controllers/TelegramWebhookController.php
+++ b/app/Domains/Settings/ManageNotificationChannels/Web/Controllers/TelegramWebhookController.php
@@ -2,6 +2,7 @@
 
 namespace App\Domains\Settings\ManageNotificationChannels\Web\Controllers;
 
+use App\Domains\Settings\ManageNotificationChannels\Services\ScheduleAllContactRemindersForNotificationChannel;
 use App\Http\Controllers\Controller;
 use App\Models\UserNotificationChannel;
 use Exception;
@@ -52,6 +53,12 @@ public function store(Request $request)
         $channel->active = true;
         $channel->save();
 
+        (new ScheduleAllContactRemindersForNotificationChannel())->execute([
+            'account_id' => $channel->user->account_id,
+            'author_id' => $channel->user->id,
+            'user_notification_channel_id' => $channel->id,
+        ]);
+
         return response('Success', 200);
     }
 }
diff --git a/tests/Unit/Domains/Contact/ManageReminders/Services/UpdateContactReminderTest.php b/tests/Unit/Domains/Contact/ManageReminders/Services/UpdateContactReminderTest.php
index 609b730f837..89580d631c6 100644
--- a/tests/Unit/Domains/Contact/ManageReminders/Services/UpdateContactReminderTest.php
+++ b/tests/Unit/Domains/Contact/ManageReminders/Services/UpdateContactReminderTest.php
@@ -33,6 +33,44 @@ public function it_updates_a_reminder(): void
         $this->executeService($regis, $regis->account, $vault, $contact, $reminder);
     }
 
+    /** @test */
+    public function it_persists_notification_channels(): void
+    {
+        $regis = $this->createUser();
+        $vault = $this->createVault($regis->account);
+        $vault = $this->setPermissionInVault($regis, Vault::PERMISSION_EDIT, $vault);
+        $contact = Contact::factory()->create(['vault_id' => $vault->id]);
+        $reminder = ContactReminder::factory()->create([
+            'contact_id' => $contact->id,
+        ]);
+
+        UserNotificationChannel::factory()->create([
+            'user_id' => $regis->id,
+            'preferred_time' => '18:00',
+        ]);
+
+        $request = [
+            'account_id' => $regis->account->id,
+            'vault_id' => $vault->id,
+            'author_id' => $regis->id,
+            'contact_id' => $contact->id,
+            'contact_reminder_id' => $reminder->id,
+            'label' => 'birthdate',
+            'day' => 29,
+            'month' => 10,
+            'year' => 1981,
+            'type' => ContactReminder::TYPE_ONE_TIME,
+            'frequency_number' => null,
+        ];
+
+        (new UpdateContactReminder())->execute($request);
+        (new UpdateContactReminder())->execute($request);
+
+        $this->assertDatabaseHas('user_notification_channels', [
+            'user_id' => $regis->id,
+        ]);
+    }
+
     /** @test */
     public function it_fails_if_wrong_parameters_are_given(): void
     {