diff --git a/app/Actions/Fortify/CreateNewUser.php b/app/Actions/Fortify/CreateNewUser.php
index 6adb624..c60dadb 100644
--- a/app/Actions/Fortify/CreateNewUser.php
+++ b/app/Actions/Fortify/CreateNewUser.php
@@ -61,7 +61,7 @@ class CreateNewUser implements CreatesNewUsers
             'user' => $input['email'],
             'ip_address' => request()->ip(),
             'message' => $message,
-            'affected' => ['users' => $user->id],
+            'affected' => ['users' => [$user->id]],
         ]);
 
         return $user;
diff --git a/tests/Feature/app/Actions/Fortify/CreateNewUserTest.php b/tests/Feature/app/Actions/Fortify/CreateNewUserTest.php
new file mode 100644
index 0000000..9b1e7df
--- /dev/null
+++ b/tests/Feature/app/Actions/Fortify/CreateNewUserTest.php
@@ -0,0 +1,42 @@
+<?php
+
+use App\Actions\Fortify\CreateNewUser;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Validation\ValidationException;
+
+uses(RefreshDatabase::class);
+
+beforeEach(function () {
+    $this->createArray = [
+        'registration_code' => auditionSetting('registrationCode'),
+        'first_name' => fake()->firstName(),
+        'last_name' => fake()->lastName(),
+        'judging_preference' => 'Sarrousaphone',
+        'cell_phone' => fake()->phoneNumber(),
+        'email' => fake()->safeEmail(),
+        'password' => '<PASSWORD>',
+        'password_confirmation' => '<PASSWORD>',
+    ];
+});
+
+it('creates a new user', function () {
+    $creator = app(CreateNewUser::class);
+    $newUser = $creator->create($this->createArray);
+    expect(User::where('email', $this->createArray['email'])->exists())->toBeTrue();
+});
+
+it('fails when an invalid registration code is used', function () {
+    $creator = app(CreateNewUser::class);
+    $this->createArray['registration_code'] = 'invalid';
+    $newUser = $creator->create($this->createArray);
+
+})->throws(ValidationException::class, 'Incorrect registration code provided');
+
+it('logs user creation', function () {
+    $creator = app(CreateNewUser::class);
+    $newUser = $creator->create($this->createArray);
+    $logEntry = \App\Models\AuditLogEntry::first();
+    expect($logEntry->message)->toStartWith('New User Registered')
+        ->and($logEntry->affected['users'])->toEqual([$newUser->id]);
+});