diff --git a/category.py b/category.py
index fcebd0446f..9960e761a3 100644
--- a/category.py
+++ b/category.py
@@ -7,7 +7,7 @@ class Category(OSV):
     _name = "product.category"
     _description = __doc__
 
-    name = fields.Char('Name', size=None, required=True)
+    name = fields.Char('Name', required=True, translate=True)
     complete_name = fields.Function('get_complete_name', type="char",
             string='Complete Name')
     parent = fields.Many2One('product.category','Parent', select=1)
diff --git a/uom.py b/uom.py
index a297b05bc0..a85b7aa18e 100644
--- a/uom.py
+++ b/uom.py
@@ -10,7 +10,7 @@ class UomCategory(OSV):
     'Product uom category'
     _name = 'product.uom.category'
     _description = __doc__
-    name = fields.Char('Name', size=64, required=True)
+    name = fields.Char('Name', required=True, translate=True)
     uoms = fields.One2Many('product.uom', 'category', 'Unit of Measures')
 
     def __init__(self):