diff --git a/record_archiver/models/ir_model.py b/record_archiver/models/ir_model.py
index a9162d1eb..8122c43a1 100644
--- a/record_archiver/models/ir_model.py
+++ b/record_archiver/models/ir_model.py
@@ -54,9 +54,9 @@ class IrModel(orm.Model):
                                               load='_classic_write',
                                               context=context)
             model_ids = [field['model_id'] for field in active_fields]
-            if operator == '=':
+            if operator == '=' or not value:
                 domain.append(('id', 'in', model_ids))
-            elif operator == '!=':
+            elif operator == '!=' or value:
                 domain.append(('id', 'not in', model_ids))
             else:
                 raise AssertionError('operator %s not allowed' % operator)
diff --git a/record_archiver/tests/__init__.py b/record_archiver/tests/__init__.py
new file mode 100644
index 000000000..1cc4cf843
--- /dev/null
+++ b/record_archiver/tests/__init__.py
@@ -0,0 +1,8 @@
+# -*- coding: utf-8 -*-
+
+from . import test_active_search
+
+
+checks = [
+    test_active_search,
+]
diff --git a/record_archiver/tests/test_active_search.py b/record_archiver/tests/test_active_search.py
new file mode 100644
index 000000000..f96bb7365
--- /dev/null
+++ b/record_archiver/tests/test_active_search.py
@@ -0,0 +1,56 @@
+# -*- coding: utf-8 -*-
+#
+#
+#    Authors: Guewen Baconnier
+#    Copyright 2015 Camptocamp SA
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+#
+
+
+import openerp.tests.common as common
+
+
+class TestActiveSearch(common.TransactionCase):
+
+    def test_model_with_active_field(self):
+        cr, uid = self.cr, self.uid
+        IrModel = self.registry('ir.model')
+        partner_model_id = IrModel.search(cr, uid,
+                                          [('model', '=', 'res.partner')],
+                                          limit=1)[0]
+        partner_model = IrModel.browse(cr, uid, partner_model_id)
+        self.assertTrue(partner_model.has_an_active_field)
+        self.assertIn(partner_model_id,
+                      IrModel.search(cr, uid,
+                                     [('has_an_active_field', '=', True)]))
+        self.assertIn(partner_model_id,
+                      IrModel.search(cr, uid,
+                                     [('has_an_active_field', '!=', False)]))
+
+    def test_model_without_active_field(self):
+        cr, uid = self.cr, self.uid
+        IrModel = self.registry('ir.model')
+        country_model_id = IrModel.search(cr, uid,
+                                          [('model', '=', 'res.country')],
+                                          limit=1)
+        country_model = IrModel.browse(cr, uid, country_model_id[0])
+        self.assertFalse(country_model.has_an_active_field)
+        self.assertNotIn(country_model_id,
+                         IrModel.search(cr, uid,
+                                        [('has_an_active_field', '=', False)]))
+        self.assertNotIn(country_model_id,
+                         IrModel.search(cr, uid,
+                                        [('has_an_active_field', '!=', True)]))