diff --git a/buster b/buster
index 72dfb3d..eef5ac6 100755
--- a/buster
+++ b/buster
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright (C) 2015-2020 YunoHost
+# Copyright (C) 2015-2021 YunoHost
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as
@@ -234,6 +234,11 @@ function check_assertions()
     # Assert systemd is installed
     command -v systemctl > /dev/null || die "YunoHost requires systemd to be installed."
 
+    if [[ $(cat /sys/module/ipv6/parameters/disable) == "1" ]];
+    then
+    	die "The package 'redis-server' will fail to install without IPV6 enabled."
+    fi
+
     # Check that kernel is >= 3.12, otherwise systemd won't work properly. Cf. https://github.com/systemd/systemd/issues/5236#issuecomment-277779394
     dpkg --compare-versions "$(uname -r)" "ge" "3.12" || die "YunoHost requires a kernel >= 3.12. Please consult your hardware documentation or VPS provider to learn how to upgrade your kernel."