diff --git a/config.go b/config.go
index 8b9d1c5c..c9b1b685 100644
--- a/config.go
+++ b/config.go
@@ -167,6 +167,7 @@ const coreDNSConfigTemplate = `. {
         {{if .ParentalEnabled}}parental {{.ParentalSensitivity}}{{end}}
         {{if .SafeSearchEnabled}}safesearch{{end}}
         {{if .QueryLogEnabled}}querylog{{end}}
+        blocked_ttl {{.BlockedResponseTTL}}
     }
     {{.Pprof}}
     hosts {