diff --git a/modules/nixos/openvpn-client.nix b/modules/nixos/openvpn-client.nix
index 368f896..1ba8571 100644
--- a/modules/nixos/openvpn-client.nix
+++ b/modules/nixos/openvpn-client.nix
@@ -4,4 +4,5 @@
   };
   networking.enableIPv6 = lib.mkForce false;
   environment.persistence."/persist".directories = ["/etc/openvpn-confs"];
+  boot.kernelParams = ["ipv6.disable=1"];
 }