diff --git a/framework/core/src/Flarum/Core/Support/Seeders/ConfigTableSeeder.php b/framework/core/src/Flarum/Core/Support/Seeders/ConfigTableSeeder.php
index 283f6a4a5..ea3d9eab1 100644
--- a/framework/core/src/Flarum/Core/Support/Seeders/ConfigTableSeeder.php
+++ b/framework/core/src/Flarum/Core/Support/Seeders/ConfigTableSeeder.php
@@ -1,4 +1,6 @@
-<?php
+<?php  namespace Flarum\Core\Support\Seeders;
+
+use Illuminate\Database\Seeder;
 
 class ConfigTableSeeder extends Seeder {
 
diff --git a/framework/core/src/Flarum/Core/Support/Seeders/DiscussionTableSeeder.php b/framework/core/src/Flarum/Core/Support/Seeders/DiscussionTableSeeder.php
index 37e326147..e19ff950d 100644
--- a/framework/core/src/Flarum/Core/Support/Seeders/DiscussionTableSeeder.php
+++ b/framework/core/src/Flarum/Core/Support/Seeders/DiscussionTableSeeder.php
@@ -18,7 +18,7 @@ class DiscussionTableSeeder extends Seeder
      */
     public function run()
     {
-        $faker = Faker\Factory::create();
+        $faker = \Faker\Factory::create();
 
         $users = User::count();
 
@@ -118,7 +118,7 @@ class DiscussionTableSeeder extends Seeder
                         'read_number'   => rand(0, $posts_count - 1),
                         'read_time'     => $faker->dateTimeBetween($discussion->start_time, 'now')
                     ]);
-                } catch (Exception $e) {
+                } catch (\Illuminate\Database\QueryException $e) {
 
                 }
             }
diff --git a/framework/core/src/Flarum/Core/Support/Seeders/UserTableSeeder.php b/framework/core/src/Flarum/Core/Support/Seeders/UserTableSeeder.php
index f7f62d43a..e604264f0 100644
--- a/framework/core/src/Flarum/Core/Support/Seeders/UserTableSeeder.php
+++ b/framework/core/src/Flarum/Core/Support/Seeders/UserTableSeeder.php
@@ -15,7 +15,7 @@ class UserTableSeeder extends Seeder
 	 */
     public function run()
     {
-        $faker = Faker\Factory::create();
+        $faker = \Faker\Factory::create();
 
         $groups = ['Administrator', 'Guest', 'Member', 'Moderator', 'Staff'];
         foreach ($groups as $group) {