diff --git a/m/raccoon/wireguard.nix b/m/raccoon/wireguard.nix
index f6ceeccb..516d64f2 100644
--- a/m/raccoon/wireguard.nix
+++ b/m/raccoon/wireguard.nix
@@ -28,6 +28,7 @@
           publicKey = "VfMPBQLQTKeyXJSwv8wBhc6OV0j2qAxUpX3kLHunK2Y=";
           allowedIPs = [ "10.106.0.1/32" ];
           endpoint = "fox.ac.upc.edu:666";
+          persistentKeepalive = 25;
         }
         {
           name = "apex";