diff --git a/addons/mrp/mrp.py b/addons/mrp/mrp.py
index 7a592a4a2ce..cb2010a7352 100644
--- a/addons/mrp/mrp.py
+++ b/addons/mrp/mrp.py
@@ -208,7 +208,7 @@ class mrp_bom(osv.osv):
         'active': lambda *a: 1,
         'product_efficiency': lambda *a: 1.0,
         'product_qty': lambda *a: 1.0,
-        'product_rounding': lambda *a: 1.0,
+        'product_rounding': lambda *a: 0.0,
         'type': lambda *a: 'normal',
         'company_id': lambda self,cr,uid,c: self.pool.get('res.company')._company_default_get(cr, uid, 'mrp.bom', context=c),
     }
diff --git a/addons/mrp/report/price.py b/addons/mrp/report/price.py
index 7d3328dd1d4..ca8e9b9c0b7 100644
--- a/addons/mrp/report/price.py
+++ b/addons/mrp/report/price.py
@@ -171,7 +171,7 @@ class report_custom(report_rml):
                 }
                 xml_tmp = ''
                 for sub_bom in (sub_boms and sub_boms[0]) or [parent_bom]:
-                    txt, sum, sum_strd = process_bom(sub_bom, company_currency, factor=1/bom.product_qty)
+                    txt, sum, sum_strd = process_bom(sub_bom, company_currency)
                     xml_tmp +=  txt
                     total += sum
                     total_strd += sum_strd