diff --git a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Base_parseSearchString.xml b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Base_parseSearchString.xml
index 7d74ce419ce1ae9b58c71924788ddba339eec202..54a1e627d15dcdc764749f9170b08ccfd3a3d0d8 100644
--- a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Base_parseSearchString.xml
+++ b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Base_parseSearchString.xml
@@ -140,6 +140,8 @@ criterion_alias_dict = {\n
   \'newest\':           (True, None),\n
   # indicates user search for documents by contributor title  \n
   \'contributor_title\':(True, None),\n
+  # indicates user search mode (boolean or with with query expansion)\n
+  \'mode\':             (True, None),\n
 }\n
 \n
 DEFAULT_CRITERION_ALIAS = \'searchabletext\'\n
diff --git a/product/ERP5/bootstrap/erp5_core/bt/revision b/product/ERP5/bootstrap/erp5_core/bt/revision
index db9c62ed8baef431af88ddb562199bff19f57f7b..5746711683132aad82ba43702ce714dea33c3249 100644
--- a/product/ERP5/bootstrap/erp5_core/bt/revision
+++ b/product/ERP5/bootstrap/erp5_core/bt/revision
@@ -1 +1 @@
-1498
\ No newline at end of file
+1499
\ No newline at end of file