diff --git a/src/app/Http/Controllers/ApiPersonaController.php b/src/app/Http/Controllers/ApiPersonaController.php
index 9407e6f..a25d5a8 100644
--- a/src/app/Http/Controllers/ApiPersonaController.php
+++ b/src/app/Http/Controllers/ApiPersonaController.php
@@ -457,7 +457,7 @@ class ApiPersonaController extends Controller
         }
 
         if ($request->has("dni")) {
-            return self::getUnidadesAcademicasPor("xx", $request->get("dni"));
+            return self::getUnidadesAcademicasPor("dni", $request->get("dni"));
         }
 
         if ($request->has("telefono")) {