diff --git a/addons/stock/wizard/stock_partial_move.py b/addons/stock/wizard/stock_partial_move.py
index 87c1a8e8734..2c593e811c5 100644
--- a/addons/stock/wizard/stock_partial_move.py
+++ b/addons/stock/wizard/stock_partial_move.py
@@ -22,6 +22,7 @@
 from osv import fields, osv
 from tools.translate import _
 import time
+import decimal_precision as dp
 
 
 class stock_partial_move_memory_out(osv.osv_memory):
@@ -36,7 +37,7 @@ class stock_partial_move_memory_out(osv.osv_memory):
         'location_dest_id': fields.many2one('stock.location', 'Dest. Location', required=True),
         'move_id' : fields.many2one('stock.move', "Move"),
         'wizard_id' : fields.many2one('stock.partial.move', string="Wizard"),
-        'cost' : fields.float("Cost", help="Unit Cost for this product line"),
+        'cost' : fields.float('Cost', digits_compute = dp.get_precision('Purchase Price'),help="Unit Cost for this product line"),
         'currency' : fields.many2one('res.currency', string="Currency", help="Currency in which Unit cost is expressed"),
     }