diff --git a/src/meta/blacklist.js b/src/meta/blacklist.js
index 80f3ca1190..d4a3e360fa 100644
--- a/src/meta/blacklist.js
+++ b/src/meta/blacklist.js
@@ -119,7 +119,7 @@ Blacklist.validate = function (rules, callback) {
 			return true;
 		}
 		if (isIPv6CidrSubnet.test(rule)) {
-			cidr.push(rule);
+			cidr6.push(rule);
 			return true;
 		}