diff --git a/addons/sale/report/sale_report.py b/addons/sale/report/sale_report.py
index b47d59e5400..03c14c9576d 100644
--- a/addons/sale/report/sale_report.py
+++ b/addons/sale/report/sale_report.py
@@ -53,7 +53,7 @@ class sale_report(osv.osv):
         'user_id':fields.many2one('res.users', 'Salesman', readonly=True),
         'price_total':fields.float('Total Price', readonly=True),
         'delay':fields.float('Days to Close', digits=(16,2), readonly=True),
-        'price_average':fields.float('Average Price', readonly=True),
+        'price_average':fields.float('Average Price', readonly=True,group_operator="avg"),
         'categ_id': fields.many2one('product.category','Category of Product', readonly=True),
         'nbr':fields.integer('# of Lines', readonly=True),
         'state': fields.selection([
@@ -92,7 +92,7 @@ class sale_report(osv.osv):
                      s.shipped::integer as shipped_qty_1,
                      s.pricelist_id as pricelist_id,
                      s.project_id as analytic_account_id
-    from 
+    from
     sale_order s,
     (
         select l.id as id,
diff --git a/addons/sale/report/sale_report_view.xml b/addons/sale/report/sale_report_view.xml
index 9b8ed32ede4..4e6d75694fe 100644
--- a/addons/sale/report/sale_report_view.xml
+++ b/addons/sale/report/sale_report_view.xml
@@ -19,7 +19,7 @@
                 <field name="product_id" invisible="1"/>
                 <field name="categ_id" invisible="1"/>
                 <field name="nbr" sum="# of Lines"/>
-                <field name="product_uom_qty" avg="# of Qty"/>
+                <field name="product_uom_qty" sum="# of Qty"/>
                 <field name="shipped_qty_1"/>
                 <field name="uom_name" invisible="not context.get('set_visible',False)"/>
                 <field name="price_average" avg="Average Price"/>