diff --git a/source/app/controllers/util.py b/source/app/controllers/util.py
index fe28172..78f1eb7 100644
--- a/source/app/controllers/util.py
+++ b/source/app/controllers/util.py
@@ -1758,10 +1758,12 @@ class ImportFacturaLibre(object):
             '16.00': 0.16,
             '11': 0.11,
             '-10': 0.10,
+            '-2': 0.02,
             '-0.5': 0.005,
             '-2/3': 0.106667,
             '-10.6666': 0.106667,
             '-10.666666': 0.106667,
+            '-10.66660': 0.106667,
         }
 
         data = []