diff --git a/frappe/cache_manager.py b/frappe/cache_manager.py
index 78f452db21..2daed59074 100644
--- a/frappe/cache_manager.py
+++ b/frappe/cache_manager.py
@@ -16,7 +16,7 @@ global_cache_keys = ("app_hooks", "installed_apps",
 		'scheduler_events', 'time_zone', 'webhooks', 'active_domains',
 		'active_modules', 'assignment_rule', 'server_script_map', 'wkhtmltopdf_version',
 		'domain_restricted_doctypes', 'domain_restricted_pages', 'information_schema:counts',
-		'sitemap_routes')
+		'sitemap_routes', 'db_tables')
 
 user_cache_keys = ("bootinfo", "user_recent", "roles", "user_doc", "lang",
 		"defaults", "user_permissions", "home_page", "linked_with",