diff --git a/addons/product/product.py b/addons/product/product.py
index a895fbd0c64..ff67f5d5cc6 100644
--- a/addons/product/product.py
+++ b/addons/product/product.py
@@ -152,10 +152,10 @@ class product_uom(osv.osv):
     def onchange_category_id(self, cr, uid, ids, category_id):
     	reference_uom = False
 	if category_id:
-            uom_ids = self.search(cr, uid, [('category_id', '=',category_id),('uom_type', '=', 'reference')])
+	    uom_ids = self.search(cr, uid, [('category_id', '=',category_id),('uom_type', '=', 'reference')])
 	    if uom_ids:
-                reference_uom = uom_ids[0]
-	return {'value':{'reference_uom_id': reference_uom}}
+	        reference_uom = uom_ids[0]
+    return {'value':{'reference_uom_id': reference_uom}}
 
     def _compute_qty(self, cr, uid, from_uom_id, qty, to_uom_id=False):
         if not from_uom_id or not qty or not to_uom_id:
diff --git a/addons/product/product_view.xml b/addons/product/product_view.xml
index fee43562227..e517fed6061 100644
--- a/addons/product/product_view.xml
+++ b/addons/product/product_view.xml
@@ -461,7 +461,7 @@
                     <group>
                         <group>
                             <field name="name" on_change="onchange_name(name)"/>
-			                <field name="category_id" on_change="onchange_category_id(category_id)"/>
+                            <field name="category_id" on_change="onchange_category_id(category_id)"/>
                             <field name="active"/>
                         </group>
                         <group>
@@ -471,8 +471,8 @@
                             <div style="margin-left: -12px;">
                                 <field name="factor_inv" class="oe_inline" attrs="{'invisible':[('uom_type','!=','bigger')]}" String="Computation" nolabel="1"/>
                                 <label string="1" attrs="{'invisible':[('uom_type','!=','smaller')]}"/>
-                			    <field class="oe_inline" name="reference_uom_id" attrs="{'invisible':[('uom_type','=','reference')]}" nolabel="1"/>
-                			    <label string="="/>                                
+                                <field class="oe_inline" name="reference_uom_id" attrs="{'invisible':[('uom_type','=','reference')]}" nolabel="1"/>
+                                <label string="="/>
                                 <field class="oe_inline" name="factor" attrs="{'invisible':[('uom_type','!=','smaller')]}" String="Computation" nolabel="1"/>
                                 <label string="1" attrs="{'invisible':[('uom_type','!=','bigger')]}"/>
                                 <field class="oe_inline" name="name_ref" nolabel="1" attrs="{'readonly': True}" width="1"/>