diff --git a/agent/config/config.go b/agent/config/config.go
index 868f93e4..63a80f51 100644
--- a/agent/config/config.go
+++ b/agent/config/config.go
@@ -8,7 +8,7 @@ import (
 type AgentConfigurations struct {
 	SANamespace      string `envconfig:"SA_NAMESPACE" default:"default"`
 	SAName           string `envconfig:"SA_NAME" default:"default"`
-	OutdatedInterval string `envconfig:"OUTDATED_INTERVAL" default:"20m"`
+	OutdatedInterval string `envconfig:"OUTDATED_INTERVAL" default:"*/20 * * * *"`
 }
 
 func GetAgentConfigurations() (serviceConf *AgentConfigurations, err error) {