diff --git a/app.py b/app.py
index 185bddf..b9e735f 100644
--- a/app.py
+++ b/app.py
@@ -53,7 +53,7 @@ service = Service('/usr/bin/chromedriver')
 
 driver = None
     
-def insert_alumno_extraccion(datos_html: str, materias_html: str, username_integer: int, historial_html: str = 'error', materias_actuales_html: str = 'error'):
+def insert_alumno_extraccion(datos_html: str, materias_html: str, username_integer: int, historial_html: str = None, materias_actuales_html: str = None):
     conn = get_db_connection()  # Obtener una conexión del pool
     try:
         cur = conn.cursor()