diff --git a/home/.zshrc.local b/home/.zshrc.local
index c17d2be..5720689 100644
--- a/home/.zshrc.local
+++ b/home/.zshrc.local
@@ -133,7 +133,7 @@ function mullvad() (
     if (( $# < 1 )); then
         echo "USAGE: $0 LOCATION|off" >&2
     fi
-    current_interfaces="$(ip -o a|grep -o '[0-9]*:\ mullvad-[a-z][a-z][0-9]*'|uniq|cut -d: -f2|tr -d ' ')"
+    current_interfaces="$(ip -o a|grep -oE '[0-9]*:\ mullvad-(v6-)?[a-z][a-z][0-9]*'|uniq|cut -d: -f2|tr -d ' ')"
     for current_interface in $current_interfaces; do
         sudo wg-quick down "$current_interface"
     done