diff --git a/base_partner_merge/__openerp__.py b/base_partner_merge/__openerp__.py
index 5c2a145d78f..876919b6be7 100644
--- a/base_partner_merge/__openerp__.py
+++ b/base_partner_merge/__openerp__.py
@@ -10,7 +10,7 @@
         'base',
     ],
     'data': [
-        'security/ir.model.access.csv',
+        'security/security.xml',
         'base_partner_merge_view.xml',
     ],
     'installable': True,
diff --git a/base_partner_merge/base_partner_merge.py b/base_partner_merge/base_partner_merge.py
index 416430d0bff..e9360e35014 100644
--- a/base_partner_merge/base_partner_merge.py
+++ b/base_partner_merge/base_partner_merge.py
@@ -340,6 +340,16 @@ def _merge(self, cr, uid, partner_ids, dst_partner=None, context=None):
 
         partner_ids = proxy.exists(cr, uid, list(partner_ids),
                                    context=context)
+
+        if not self.pool['res.users'].has_group(
+            cr, uid, 'base_partner_merge.group_partner_merge'
+        ):
+            raise orm.except_orm(
+                _('Error'),
+                _("You do not belong in the 'Partner Merge' group. "
+                  "Please contact the Administrator to get access to "
+                  "the partner merge functionality."))
+
         if len(partner_ids) < 2:
             return
 
@@ -350,10 +360,9 @@ def _merge(self, cr, uid, partner_ids, dst_partner=None, context=None):
                   "together. You can re-open the wizard several times if "
                   "needed."))
 
-        if (openerp.SUPERUSER_ID != uid
-                and len(set(partner.email for partner
-                            in proxy.browse(cr, uid, partner_ids,
-                                            context=context))) > 1):
+        if (len(set(partner.email for partner
+                    in proxy.browse(cr, uid, partner_ids,
+                                    context=context))) > 1):
             raise orm.except_orm(
                 _('Error'),
                 _("All contacts must have the same email. Only the "
@@ -371,23 +380,6 @@ def _merge(self, cr, uid, partner_ids, dst_partner=None, context=None):
             src_partners = ordered_partners[:-1]
         _logger.info("dst_partner: %s", dst_partner.id)
 
-        if (openerp.SUPERUSER_ID != uid
-                and self._model_is_installed(cr, uid, 'account.move.line',
-                                             context=context)
-                and self.pool.get('account.move.line'
-                                  ).search(cr, openerp.SUPERUSER_ID,
-                                           [('partner_id',
-                                             'in',
-                                             [partner.id for partner
-                                              in src_partners])],
-                                           context=context)):
-            raise orm.except_orm(
-                _('Error'),
-                _("Only the destination contact may be linked to existing "
-                  "Journal Items. Please ask the Administrator if you need to"
-                  " merge several contacts linked to existing Journal "
-                  "Items."))
-
         call_it = lambda function: function(cr, uid, src_partners,
                                             dst_partner, context=context)
 
diff --git a/base_partner_merge/base_partner_merge_view.xml b/base_partner_merge/base_partner_merge_view.xml
index 5ae786aaa53..0c8144774b0 100644
--- a/base_partner_merge/base_partner_merge_view.xml
+++ b/base_partner_merge/base_partner_merge_view.xml
@@ -2,7 +2,7 @@
 <openerp>
     <data>
         <!-- the sequence of the configuration sub menu is 30 -->
-        <menuitem id='root_menu' name='Tools' parent='base.menu_base_partner' sequence="25"/>
+        <menuitem id='root_menu' name='Tools' parent='base.menu_base_partner' sequence="25" groups='group_partner_merge'/>
 
         <record model="ir.actions.act_window" id="base_partner_merge_automatic_act">
             <field name="name">Deduplicate Contacts</field>
@@ -15,7 +15,7 @@
 
         <menuitem id='partner_merge_automatic_menu'
             action='base_partner_merge_automatic_act'
-            groups='base.group_system'
+            groups='group_partner_merge'
             parent='root_menu' />
 
         <record model='ir.ui.view' id='base_partner_merge_automatic_wizard_form'>
@@ -116,7 +116,7 @@
         </record>
         
         <act_window id="action_partner_merge" res_model="base.partner.merge.automatic.wizard" src_model="res.partner"
-            target="new" multi="True" key2="client_action_multi" view_mode="form" name="Automatic Merge"/>
+            target="new" multi="True" key2="client_action_multi" view_mode="form" name="Automatic Merge" groups="group_partner_merge"/>
 
     </data>
 
diff --git a/base_partner_merge/security/security.xml b/base_partner_merge/security/security.xml
new file mode 100644
index 00000000000..9505e1b17c7
--- /dev/null
+++ b/base_partner_merge/security/security.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data>
+        <record model="res.groups" id="group_partner_merge">
+            <field name="name">Partner Merge</field>
+        </record>
+        <record model="res.groups" id="base.group_system">
+            <field name="implied_ids" eval="[(4, ref('group_partner_merge'))]"/>
+        </record>
+    </data>
+</openerp>