diff --git a/openupgradelib/openupgrade.py b/openupgradelib/openupgrade.py
index 731a0a05..903a893b 100644
--- a/openupgradelib/openupgrade.py
+++ b/openupgradelib/openupgrade.py
@@ -671,9 +671,10 @@ def rename_fields(env, field_spec, no_deep=False):
       the environment. Not used for now.
     """
     cr = env.cr
-    # Variable used to change field which present in ir.ui.view.custom
-    # like the one used on dashboard module
-    dashboard_view_data = env["ir.ui.view.custom"].search([])
+    if version_info[0] > 9:
+        # Variable used to change field which present in ir.ui.view.custom
+        # like the one used on dashboard module
+        dashboard_view_data = env["ir.ui.view.custom"].search([])
     for model, table, old_field, new_field in field_spec:
         if column_exists(cr, table, old_field):
             rename_columns(cr, {table: [(old_field, new_field)]})