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)