diff --git a/doc/jilo-web.schema b/doc/jilo-web.schema
index 2ea143f..426af71 100644
--- a/doc/jilo-web.schema
+++ b/doc/jilo-web.schema
@@ -37,6 +37,7 @@ CREATE TABLE jilo_agents (
     agent_type_id INTEGER NOT NULL,
     url TEXT NOT NULL,
     secret_key TEXT,
+    check_period INTEGER DEFAULT 0,
     FOREIGN KEY (platform_id) REFERENCES platforms(id),
     FOREIGN KEY (agent_type_id) REFERENCES jilo_agent_types(id)
 );