diff --git a/ct/adguard.sh b/ct/adguard.sh
index 31caba9..d97eba0 100644
--- a/ct/adguard.sh
+++ b/ct/adguard.sh
@@ -43,7 +43,7 @@ function default_settings() {
   GATE=""
   APT_CACHER=""
   APT_CACHER_IP=""
-  DISABLEIP6="no"
+  DISABLEIP6="yes"
   MTU=""
   SD=""
   NS=""