diff --git a/app/User.php b/app/User.php
index 64ea860..1dac38b 100644
--- a/app/User.php
+++ b/app/User.php
@@ -40,6 +40,6 @@ class User extends Authenticatable
 
     public function grupoDeCompra(): BelongsTo
     {
-        return $this->belongsTo('App\GrupoDeCompra');
+        return $this->belongsTo(GrupoDeCompra::class);
     }
 }