diff --git a/odoo/tools/misc.py b/odoo/tools/misc.py
index e1a16b574a3..671fd09e148 100644
--- a/odoo/tools/misc.py
+++ b/odoo/tools/misc.py
@@ -467,7 +467,7 @@ def human_size(sz):
     """
     if not sz:
         return False
-    units = ('bytes', 'Kb', 'Mb', 'Gb')
+    units = ('bytes', 'Kb', 'Mb', 'Gb', 'Tb')
     if isinstance(sz, str):
         sz=len(sz)
     s, i = float(sz), 0