diff --git a/source/app/controllers/util.py b/source/app/controllers/util.py
index 85f2815..b319ad6 100644
--- a/source/app/controllers/util.py
+++ b/source/app/controllers/util.py
@@ -1603,7 +1603,7 @@ class ImportFacturaLibre(object):
             '11': 0.11,
             '-10': 0.10,
             '0': 0.0,
-            '-2/3': 0.666667,
+            '-2/3': 0.106667,
             '-0.5': 0.005,
         }