diff --git a/source/app/controllers/util.py b/source/app/controllers/util.py
index fe4f161..6eb631c 100644
--- a/source/app/controllers/util.py
+++ b/source/app/controllers/util.py
@@ -2390,6 +2390,7 @@ class ImportFacturaLibre(object):
             '-10.666666': 0.106667,
             '-10.66660': 0.106667,
             '-4': 0.04,
+            '1': 0.01,
         }
 
         data = []