diff --git a/addons/web/controllers/main.py b/addons/web/controllers/main.py
index 3cd15189496..f9bc7999256 100644
--- a/addons/web/controllers/main.py
+++ b/addons/web/controllers/main.py
@@ -37,6 +37,7 @@ from openerp.modules import get_resource_path
 from openerp.tools import topological_sort
 from openerp.tools.translate import _
 from openerp.tools import ustr
+from openerp.tools.misc import str2bool
 from openerp import http
 from openerp.http import request, serialize_exception as _serialize_exception
 from openerp.exceptions import AccessError
@@ -708,7 +709,7 @@ class Database(http.Controller):
     def restore(self, master_pwd, backup_file, name, copy=False):
         try:
             data = base64.b64encode(backup_file.read())
-            request.session.proxy("db").restore(master_pwd, name, data, copy)
+            request.session.proxy("db").restore(master_pwd, name, data, str2bool(copy))
             return http.local_redirect('/web/database/manager')
         except Exception, e:
             error = "Database restore error: %s" % e
diff --git a/addons/web/views/database_manager.html b/addons/web/views/database_manager.html
index ad7076313ae..8b6fd4f09e7 100644
--- a/addons/web/views/database_manager.html
+++ b/addons/web/views/database_manager.html
@@ -208,10 +208,19 @@
               <input id="name" type="text" name="name" class="form-control" required="required"/>
             </div>
             <div class="form-group">
-              <div class="checkbox">
+                <label for="copy">This database might have been moved or copied.</label>
+                <p class="help-block">In order to avoid conflicts between databases, Odoo needs to know if this database was moved or copied.
+                If you don't know, answer "This database is a copy".</p>
+              <div class="radio">
                 <label>
-                  <input name="copy" type="checkbox" class="pull-right" value="1">
-                  <span>Generate a new database uuid.</span>
+                  <input name="copy" type="radio" class="pull-right" value="true" checked="1">
+                  This database is a copy
+                </label>
+              </div>
+              <div class="radio">
+                <label>
+                  <input name="copy" type="radio" class="pull-right" value="false">
+                  This database was moved
                 </label>
               </div>
             </div>
diff --git a/openerp/service/db.py b/openerp/service/db.py
index f0527f0ac44..ed7a6e410d3 100644
--- a/openerp/service/db.py
+++ b/openerp/service/db.py
@@ -102,6 +102,11 @@ def exp_duplicate_database(db_original_name, db_name):
         _drop_conn(cr, db_original_name)
         cr.execute("""CREATE DATABASE "%s" ENCODING 'unicode' TEMPLATE "%s" """ % (db_name, db_original_name))
 
+    registry = openerp.modules.registry.RegistryManager.new(db_name)
+    with registry.cursor() as cr:
+        # if it's a copy of a database, force generation of a new dbuuid
+        registry['ir.config_parameter'].init(cr, force=True)
+
     from_fs = openerp.tools.config.filestore(db_original_name)
     to_fs = openerp.tools.config.filestore(db_name)
     if os.path.exists(from_fs) and not os.path.exists(to_fs):
diff --git a/openerp/tools/misc.py b/openerp/tools/misc.py
index 1e61c2323ee..7f11ad82222 100644
--- a/openerp/tools/misc.py
+++ b/openerp/tools/misc.py
@@ -566,6 +566,15 @@ def mod10r(number):
             report = codec[ (int(digit) + report) % 10 ]
     return result + str((10 - report) % 10)
 
+def str2bool(s, default=None):
+    s = ustr(s).lower()
+    y = 'y yes 1 true t on'.split()
+    n = 'n no 0 false f off'.split()
+    if s not in (y + n):
+        if default is None:
+            raise ValueError('Use 0/1/yes/no/true/false/on/off')
+        return bool(default)
+    return s in y
 
 def human_size(sz):
     """