diff --git a/addons/event_share/wizard/wizard_share.py b/addons/event_share/wizard/wizard_share.py
index 02b5ae26009..8179781f432 100644
--- a/addons/event_share/wizard/wizard_share.py
+++ b/addons/event_share/wizard/wizard_share.py
@@ -37,9 +37,11 @@ class share_wizard_event(osv.osv_memory):
         """
         res = super(share_wizard_event, self)._add_access_rights_for_share_group(cr, uid, group_id, mode, fields_relations, context=context)
         access_model = self.pool.get('ir.model.access')
+        
         access_ids =  access_model.search(cr,uid,[('group_id','=',group_id)],context = context)
-        access_model.write(cr, uid, access_ids, {'perm_read': True, 'perm_write': True})
-        return res
+        for record in access_model.browse(cr,uid,access_ids,context = context):
+            if record.model_id.model == 'event.registration':
+                access_model.write(cr, uid, record.id, {'perm_read': True, 'perm_write': True,'perm_create':True})
 
 share_wizard_event()