diff --git a/app/Repositories/ServiceRepository/Variable.php b/app/Repositories/ServiceRepository/Variable.php
index aa8419583..0ea372f45 100644
--- a/app/Repositories/ServiceRepository/Variable.php
+++ b/app/Repositories/ServiceRepository/Variable.php
@@ -100,7 +100,7 @@ class Variable
             'name' => 'sometimes|required|string|min:1|max:255',
             'description' => 'sometimes|required|string',
             'env_variable' => 'sometimes|required|regex:/^[\w]{1,255}$/',
-            'default_value' => 'sometimes|required|string|max:255',
+            'default_value' => 'sometimes|string|max:255',
             'user_viewable' => 'sometimes|required|numeric|size:1',
             'user_editable' => 'sometimes|required|numeric|size:1',
             'required' => 'sometimes|required|numeric|size:1',
@@ -114,7 +114,7 @@ class Variable
         $data['default_value'] = (isset($data['default_value'])) ? $data['default_value'] : $variable->default_value;
         $data['regex'] = (isset($data['regex'])) ? $data['regex'] : $variable->regex;
 
-        if (!preg_match($data['regex'], $data['default_value'])) {
+        if ($data['default_value'] !== '' && !preg_match($data['regex'], $data['default_value'])) {
             throw new DisplayException('The default value you entered cannot violate the regex requirements.');
         }
 
diff --git a/database/seeds/MinecraftServiceTableSeeder.php b/database/seeds/MinecraftServiceTableSeeder.php
index 0ac76947c..e69720a1c 100644
--- a/database/seeds/MinecraftServiceTableSeeder.php
+++ b/database/seeds/MinecraftServiceTableSeeder.php
@@ -58,6 +58,7 @@ class MinecraftServiceTableSeeder extends Seeder
         $this->service = Models\Service::create([
             'author' => 'ptrdctyl-v040-11e6-8b77-86f30ca893d3',
             'name' => 'Minecraft',
+            'description' => 'Minecraft - the classic game from Mojang. With support for Vanilla MC, Spigot, and many others!',
             'file' => 'minecraft',
             'executable' => 'java',
             'startup' => '-Xms128M -Xmx{{SERVER_MEMORY}}M -jar {{SERVER_JARFILE}}'
diff --git a/database/seeds/SourceServiceTableSeeder.php b/database/seeds/SourceServiceTableSeeder.php
index 210e1ba4d..5b2646ca9 100644
--- a/database/seeds/SourceServiceTableSeeder.php
+++ b/database/seeds/SourceServiceTableSeeder.php
@@ -58,6 +58,7 @@ class SourceServiceTableSeeder extends Seeder
         $this->service = Models\Service::create([
             'author' => 'ptrdctyl-v040-11e6-8b77-86f30ca893d3',
             'name' => 'Source Engine',
+            'description' => 'Includes support for most Source Dedicated Server games.',
             'file' => 'srcds',
             'executable' => './srcds_run',
             'startup' => '-game {{SRCDS_GAME}} -console -port {{SERVER_PORT}} -strictportbind -norestart'