diff --git a/app/Domains/Tenant/Models/WebsiteType.php b/app/Domains/Tenant/Models/WebsiteType.php
index 77d8e70..e5f877c 100644
--- a/app/Domains/Tenant/Models/WebsiteType.php
+++ b/app/Domains/Tenant/Models/WebsiteType.php
@@ -22,7 +22,7 @@ class WebsiteType extends Model
      */
     public function extras(): HasMany
     {
-        return $this->hasMany(WebsiteTypeExtra::class, 'website_type');
+        return $this->hasMany(WebsiteTypeExtra::class, 'website_type_code', 'codigo');
     }
 
     /**
diff --git a/app/Domains/Tenant/Models/WebsiteTypeExtra.php b/app/Domains/Tenant/Models/WebsiteTypeExtra.php
index f3b5ffb..cdcd09b 100644
--- a/app/Domains/Tenant/Models/WebsiteTypeExtra.php
+++ b/app/Domains/Tenant/Models/WebsiteTypeExtra.php
@@ -9,7 +9,7 @@ use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
 #[Fillable([
-    'website_type',
+    'website_type_code',
     'nombre',
     'descripcion',
     'is_required',
@@ -27,7 +27,6 @@ class WebsiteTypeExtra extends Model
     protected function casts(): array
     {
         return [
-            'website_type' => 'integer',
             'is_required' => 'boolean',
             'config_schema' => 'array',
         ];
@@ -38,7 +37,7 @@ class WebsiteTypeExtra extends Model
      */
     public function websiteType(): BelongsTo
     {
-        return $this->belongsTo(WebsiteType::class, 'website_type');
+        return $this->belongsTo(WebsiteType::class, 'website_type_code', 'codigo');
     }
 
     /**
diff --git a/database/migrations/2026_07_29_000200_create_website_extras_tables.php b/database/migrations/2026_07_29_000200_create_website_extras_tables.php
index ec02cc0..8753fb8 100644
--- a/database/migrations/2026_07_29_000200_create_website_extras_tables.php
+++ b/database/migrations/2026_07_29_000200_create_website_extras_tables.php
@@ -27,8 +27,10 @@ return new class extends Migration
 
         Schema::create('website_type_extras', function (Blueprint $table): void {
             $table->id();
-            $table->foreignId('website_type')
-                ->constrained('website_type')
+            $table->string('website_type_code');
+            $table->foreign('website_type_code')
+                ->references('codigo')
+                ->on('website_type')
                 ->cascadeOnUpdate()
                 ->cascadeOnDelete();
             $table->string('nombre');
diff --git a/tests/Feature/Tenant/WebsiteExtrasTest.php b/tests/Feature/Tenant/WebsiteExtrasTest.php
index 086fce3..efae4df 100644
--- a/tests/Feature/Tenant/WebsiteExtrasTest.php
+++ b/tests/Feature/Tenant/WebsiteExtrasTest.php
@@ -26,7 +26,7 @@ class WebsiteExtrasTest extends TestCase
 
         $this->assertEqualsCanonicalizing([
             'id',
-            'website_type',
+            'website_type_code',
             'nombre',
             'descripcion',
             'is_required',
@@ -68,6 +68,7 @@ class WebsiteExtrasTest extends TestCase
         ]);
 
         $this->assertTrue($type->extras()->firstOrFail()->is($typeExtra));
+        $this->assertSame($type->codigo, $typeExtra->website_type_code);
         $this->assertTrue($type->tenants()->firstOrFail()->is($tenant));
         $this->assertTrue($tenant->websiteType()->firstOrFail()->is($type));
         $this->assertSame($type->codigo, $tenant->website_type_code);