diff --git a/source/app/controllers/util.py b/source/app/controllers/util.py
index 896a7d1..4b4f8be 100644
--- a/source/app/controllers/util.py
+++ b/source/app/controllers/util.py
@@ -2277,6 +2277,8 @@ class ImportFacturaLibre(object):
         """
         for row in rows:
             new = {t: row[s] for s, t in fields}
+            if new['categoria'] == 0:
+                new['categoria'] = None
             new['descripcion'] = ' '.join(new['descripcion'].split())
             new['clave_sat'] = DEFAULT_SAT_PRODUCTO
             self._cursor.execute(sql, (row['id'],))
diff --git a/source/app/models/main.py b/source/app/models/main.py
index fa9fc40..f1adfde 100644
--- a/source/app/models/main.py
+++ b/source/app/models/main.py
@@ -5554,7 +5554,7 @@ def _importar_productos(archivo):
             try:
                 obj = Productos.create(**new)
                 obj.impuestos = taxes
-            except IntegrityError:
+            except IntegrityError as e:
                 pass
 
     log.info('Importación terminada...')