diff --git a/app/Database/factories/FlightFactory.php b/app/Database/factories/FlightFactory.php
index f1392c4a..661ef89b 100644
--- a/app/Database/factories/FlightFactory.php
+++ b/app/Database/factories/FlightFactory.php
@@ -7,7 +7,7 @@ use Faker\Generator as Faker;
 
 $factory->define(App\Models\Flight::class, function (Faker $faker) {
     return [
-        'id'             => null,
+        'id'             => $faker->unique()->numberBetween(10, 10000000),
         'airline_id'     => function () {
             return factory(App\Models\Airline::class)->create()->id;
         },
diff --git a/app/Database/factories/PirepFactory.php b/app/Database/factories/PirepFactory.php
index a3f28d63..e7e94611 100644
--- a/app/Database/factories/PirepFactory.php
+++ b/app/Database/factories/PirepFactory.php
@@ -8,7 +8,7 @@ use Faker\Generator as Faker;
  */
 $factory->define(App\Models\Pirep::class, function (Faker $faker) {
     return [
-        'id'                  => null,
+        'id'                  => $faker->unique()->numberBetween(10, 10000000),
         'airline_id'          => function () {
             return factory(App\Models\Airline::class)->create()->id;
         },