diff --git a/config/hosts/mastodon/mastodon.nix b/config/hosts/mastodon/mastodon.nix
index 620e379..921208c 100644
--- a/config/hosts/mastodon/mastodon.nix
+++ b/config/hosts/mastodon/mastodon.nix
@@ -25,6 +25,7 @@ let
     });
   };
   pkgs-overlay = pkgs.extend mastodonNekoverseOverlay;
+  vapidPublicKey = pkgs.writeText "vapid-public-key" "BDCbFEDCZ8eFuWr3uEq4Qc30UFZUQeNpF8OCw6OjPwAtaKS1yTM3Ue749Xjqy5WhBDjakzlixh4Gk7gluUhIdsU=";
 in
 {
   services.mastodon = {
@@ -33,6 +34,7 @@ in
     localDomain = "social.nekover.se";
     secretKeyBaseFile = "/secrets/mastodon-secret-key-base.secret";
     otpSecretFile = "/secrets/mastodon-otp-secret.secret";
+    vapidPublicKeyFile = "${vapidPublicKey}";
     vapidPrivateKeyFile = "/secrets/mastodon-vapid-private-key.secret";
     smtp = {
       authenticate = true;