diff --git a/app/Actions/CreateStarNotification.php b/app/Actions/CreateStarNotification.php
index 0f0d062c4..61afb6032 100644
--- a/app/Actions/CreateStarNotification.php
+++ b/app/Actions/CreateStarNotification.php
@@ -22,7 +22,7 @@ public function __construct(private ProfileRecipientsQuery $recipients)
 
     /**
      * A star notifies the commit's author, every member of it for an organization's, once while it holds:
-     * unstarring removes the notification.
+     * unstarring removes the notification. Nobody hears from people they mute.
      */
     public function handle(User $stargazer, Commit $commit): void
     {
@@ -30,6 +30,7 @@ public function handle(User $stargazer, Commit $commit): void
         $recipients = DB::query()->fromSub($this->recipients->builder(), 'recipients')
             ->where('profile_id', $commit->author_id)
             ->where('user_id', '<>', $stargazer->id)
+            ->whereNotIn('user_id', $stargazer->mutedBy()->newPivotQuery()->select('muter_id'))
             ->get(['user_id', 'organization_id']);
 
         Notification::query()->insertOrIgnore($recipients->map(fn (object $recipient): array => [
diff --git a/tests/Unit/Actions/CreateStarNotificationTest.php b/tests/Unit/Actions/CreateStarNotificationTest.php
index ddfeca976..d69d92c03 100644
--- a/tests/Unit/Actions/CreateStarNotificationTest.php
+++ b/tests/Unit/Actions/CreateStarNotificationTest.php
@@ -4,7 +4,10 @@
 
 use App\Actions\CreateStarNotification;
 use App\Enums\NotificationType;
+use App\Enums\OrganizationRole;
 use App\Models\Commit;
+use App\Models\Notification;
+use App\Models\Organization;
 use App\Models\User;
 
 it('notifies the author of the starred commit', function (): void {
@@ -28,6 +31,31 @@
     expect($commit->user->notifications()->exists())->toBeFalse();
 });
 
+it('does not notify an author who muted the stargazer', function (): void {
+    $user = User::factory()->create();
+    $commit = Commit::factory()->create();
+
+    $commit->user->muting()->attach($user);
+
+    resolve(CreateStarNotification::class)->handle($user, $commit);
+
+    expect($commit->user->notifications()->exists())->toBeFalse();
+});
+
+it('does not notify the members of an organization who muted the stargazer', function (): void {
+    $user = User::factory()->create();
+    $organization = Organization::factory()->create();
+    [$muter, $member] = User::factory()->count(2)->create()->all();
+    $organization->members()->attach([$muter->id, $member->id], ['role' => OrganizationRole::Member]);
+    $commit = Commit::factory()->for($member)->create(['author_id' => $organization->id]);
+
+    $muter->muting()->attach($user);
+
+    resolve(CreateStarNotification::class)->handle($user, $commit);
+
+    expect(Notification::query()->pluck('recipient_id')->all())->toBe([$member->id]);
+});
+
 it('is idempotent', function (): void {
     $user = User::factory()->create();
     $commit = Commit::factory()->create();