diff --git a/source/app/controllers/util.py b/source/app/controllers/util.py
index bc4d446..438d082 100644
--- a/source/app/controllers/util.py
+++ b/source/app/controllers/util.py
@@ -1205,7 +1205,7 @@ def upload_file(rfc, opt, file_obj):
     if save_file(path, file_obj.file.read()):
         return {'status': 'server', 'name': file_obj.filename, 'ok': True}
 
-    return {'status': 'error'}
+    return {'status': 'error', 'ok': False}
 
 
 def cancel_cfdi(uuid, pk12, rfc, auth):
diff --git a/source/app/models/main.py b/source/app/models/main.py
index c927365..91ac870 100644
--- a/source/app/models/main.py
+++ b/source/app/models/main.py
@@ -1183,7 +1183,9 @@ class MovimientosBanco(BaseModel):
     def add(cls, values):
         ids = values.pop('ids', '')
         actualizar = False
-        if not 'saldo' in values:
+        if 'saldo' in values:
+            saldo = values['saldo']
+        else:
             actualizar = True
             hora = values.pop('hora')
             values['fecha'] = '{}T{}'.format(values['fecha'][:10], hora)