diff --git a/config/config.go b/config/config.go
index e88ef9a8a9..e2a98a2a0b 100644
--- a/config/config.go
+++ b/config/config.go
@@ -501,7 +501,7 @@ func NewConfig() *Config {
 	flag.BoolVar(&cfg.EnableOpenPolicyAgent, "enable-open-policy-agent", false, "enables Open Policy Agent filters")
 	flag.StringVar(&cfg.OpenPolicyAgentConfigTemplate, "open-policy-agent-config-template", "", "file containing a template for an Open Policy Agent configuration file that is interpolated for each OPA filter instance")
 	flag.StringVar(&cfg.OpenPolicyAgentEnvoyMetadata, "open-policy-agent-envoy-metadata", "", "JSON file containing meta-data passed as input for compatibility with Envoy policies in the format")
-	flag.DurationVar(&cfg.OpenPolicyAgentCleanerInterval, "open-policy-agent-cleaner-interval", openpolicyagent.DefaultCleanerInterval, "Duration in seconds to wait before cleaning up unused opa instances")
+	flag.DurationVar(&cfg.OpenPolicyAgentCleanerInterval, "open-policy-agent-cleaner-interval", openpolicyagent.DefaultCleanIdlePeriod, "Duration in seconds to wait before cleaning up unused opa instances")
 	flag.DurationVar(&cfg.OpenPolicyAgentStartupTimeout, "open-policy-agent-startup-timeout", openpolicyagent.DefaultOpaStartupTimeout, "Maximum duration in seconds to wait for the open policy agent to start up")
 	flag.Int64Var(&cfg.OpenPolicyAgentMaxRequestBodySize, "open-policy-agent-max-request-body-size", openpolicyagent.DefaultMaxRequestBodySize, "Maximum number of bytes from a http request body that are passed as input to the policy")
 	flag.Int64Var(&cfg.OpenPolicyAgentMaxMemoryBodyParsing, "open-policy-agent-max-memory-body-parsing", openpolicyagent.DefaultMaxMemoryBodyParsing, "Total number of bytes used to parse http request bodies across all requests. Once the limit is met, requests will be rejected.")