diff --git a/app/Nova/MediaType.php b/app/Nova/MediaType.php
index 2d93c14d3..0e61ecc07 100644
--- a/app/Nova/MediaType.php
+++ b/app/Nova/MediaType.php
@@ -3,10 +3,12 @@
 namespace App\Nova;
 
 use Illuminate\Http\Request;
+use Illuminate\Validation\Rule;
 use Laravel\Nova\Fields\ID;
 use Laravel\Nova\Fields\Select;
 use Laravel\Nova\Fields\Text;
 use Laravel\Nova\Http\Requests\NovaRequest;
+use Validator;
 
 class MediaType extends Resource
 {
@@ -71,6 +73,32 @@ public function fields(Request $request)
         ];
     }
 
+    /**
+     * Handle any post-validation processing.
+     *
+     * @param \Laravel\Nova\Http\Requests\NovaRequest $request
+     * @param \Illuminate\Validation\Validator $validator
+     * @return void
+     * @throws \Illuminate\Validation\ValidationException
+     */
+    protected static function afterValidation(NovaRequest $request, $validator)
+    {
+        $type = $request->post('type');
+        $name = $request->post('name');
+
+        $unique = Rule::unique(\App\Models\MediaType::TABLE_NAME)->where(function ($query) use($type, $name) {
+            return $query->where('type', $type)->where('name', $name);
+        });
+
+        $uniqueValidator = Validator::make($request->only('name'), [
+            'name' => [$unique],
+        ], [
+            'name' => __('validation.unique')
+        ]);
+
+        $uniqueValidator->validate();
+    }
+
     /**
      * Get the cards available for the request.
      *
diff --git a/config/app.php b/config/app.php
index 298b5c064..b7bbffbc5 100644
--- a/config/app.php
+++ b/config/app.php
@@ -38,7 +38,7 @@
     | or any other location as required by the application or its packages.
     */
 
-    'version' => '1.2.0-alpha.33',
+    'version' => '1.2.0-alpha.34',
 
     /*
     |--------------------------------------------------------------------------
diff --git a/database/migrations/2018_08_17_103101_create_media_types_table.php b/database/migrations/2018_08_17_103101_create_media_types_table.php
index 0e6a7f09d..b018abf9d 100644
--- a/database/migrations/2018_08_17_103101_create_media_types_table.php
+++ b/database/migrations/2018_08_17_103101_create_media_types_table.php
@@ -21,6 +21,11 @@ public function up()
             $table->string('description');
             $table->timestamps();
         });
+
+        Schema::table(MediaType::TABLE_NAME, function (Blueprint $table) {
+            // Set unique index constraints
+            $table->unique(['type', 'name']);
+        });
     }
 
     /**