diff --git a/src/etc/inc/unbound.inc b/src/etc/inc/unbound.inc
index 8bd39e6cfd..51fd9261f9 100644
--- a/src/etc/inc/unbound.inc
+++ b/src/etc/inc/unbound.inc
@@ -193,6 +193,7 @@ function unbound_generate_config_text($unboundcfg = NULL, $cfgsubdir = "") {
 		// Private-addresses for DNS Rebinding
 		$private_addr = <<<EOF
 # For DNS Rebinding prevention
+private-address: 127.0.0.0/8
 private-address: 10.0.0.0/8
 private-address: ::ffff:a00:0/104
 private-address: 172.16.0.0/12