diff --git a/addons/crm/crm_segmentation.py b/addons/crm/crm_segmentation.py
index 9cafe950410..b87d6a3b653 100644
--- a/addons/crm/crm_segmentation.py
+++ b/addons/crm/crm_segmentation.py
@@ -56,6 +56,7 @@ added to partners that match the segmentation criterions after computation.'),
             @param uid: the current user’s ID for security checks,
             @param ids: List of Process continue’s IDs"""
 
+        partner_obj = self.pool.get('res.partner')
         categs = self.read(cr, uid, ids, ['categ_id', 'exclusif', 'partner_id',\
                                  'sales_purchase_active', 'profiling_active'])
         for categ in categs:
@@ -80,9 +81,11 @@ added to partners that match the segmentation criterions after computation.'),
                 for pid in to_remove_list:
                     partners.remove(pid)
 
-            for partner_id in partners:
-                cr.execute('insert into res_partner_res_partner_category_rel (category_id,partner_id) \
-                        values (%s,%s)', (categ['categ_id'][0], partner_id))
+            for partner in partner_obj.browse(cr, uid, partners):
+                category_ids = [categ_id.id for categ_id in partner.category_id]
+                if categ['categ_id'][0] not in category_ids:
+                    cr.execute('insert into res_partner_res_partner_category_rel (category_id,partner_id) \
+                            values (%s,%s)', (categ['categ_id'][0], partner.id))
 
             self.write(cr, uid, [id], {'state':'not running', 'partner_id':0})
         return True
diff --git a/addons/crm_profiling/crm_profiling.py b/addons/crm_profiling/crm_profiling.py
index 8f07dfcbdda..7dc72f80289 100644
--- a/addons/crm_profiling/crm_profiling.py
+++ b/addons/crm_profiling/crm_profiling.py
@@ -244,6 +244,7 @@ class crm_segmentation(osv.osv):
             @param uid: the current user’s ID for security checks,
             @param ids: List of crm segmentation’s IDs """
 
+        partner_obj = self.pool.get('res.partner')
         categs = self.read(cr,uid,ids,['categ_id','exclusif','partner_id', \
                             'sales_purchase_active', 'profiling_active'])
         for categ in categs:
@@ -280,8 +281,10 @@ class crm_segmentation(osv.osv):
                 for pid in to_remove_list:
                     partners.remove(pid)
 
-            for partner_id in partners:
-                cr.execute('insert into res_partner_res_partner_category_rel (category_id,partner_id) values (%s,%s)', (categ['categ_id'][0],partner_id))
+            for partner in partner_obj.browse(cr, uid, partners):
+                category_ids = [categ_id.id for categ_id in partner.category_id]
+                if categ['categ_id'][0] not in category_ids:
+                    cr.execute('insert into res_partner_res_partner_category_rel (category_id,partner_id) values (%s,%s)', (categ['categ_id'][0],partner.id))
 
             self.write(cr, uid, [id], {'state':'not running', 'partner_id':0})
         return True
diff --git a/addons/event/event_view.xml b/addons/event/event_view.xml
index 2895855fc2e..85e3020512e 100644
--- a/addons/event/event_view.xml
+++ b/addons/event/event_view.xml
@@ -510,7 +510,7 @@
             <field name="model">event.registration</field>
             <field name="arch" type="xml">
                 <search string="Event Registration">
-                    <field name="name" string="Participant" filter_domain="['|','|','|',('name','ilike',self),('partner_id','ilike',self),('email','ilike',self),('origin','ilike',self)]"/>
+                    <field name="name" string="Participant" filter_domain="['|','|',('name','ilike',self),('email','ilike',self),('origin','ilike',self)]"/>
                     <filter icon="terp-mail-message-new" string="Unread Messages" name="message_unread" domain="[('message_unread','=',True)]"/>
                     <separator/>
                     <filter icon="terp-check" string="New" name="draft" domain="[('state','=','draft')]" help="Registrations in unconfirmed state"/>
@@ -519,6 +519,7 @@
                     <filter icon="terp-personal" string="My Registrations" help="My Registrations" domain="[('user_id','=',uid)]"/>
                     <field name="event_id"/>
                     <field name="user_id"/>
+                    <field name="partner_id"/>
                     <group expand="0" string="Group By...">
                         <filter string="Responsible"  icon="terp-personal" domain="[]" context="{'group_by':'user_id'}"/>
                         <filter string="Partner" icon="terp-partner" domain="[]" context="{'group_by':'partner_id'}"/>