diff --git a/nixos/server/package-configs/firefox-sync/default.nix b/nixos/server/package-configs/firefox-sync/default.nix
index b6bbb61..5906950 100644
--- a/nixos/server/package-configs/firefox-sync/default.nix
+++ b/nixos/server/package-configs/firefox-sync/default.nix
@@ -12,6 +12,10 @@ in {
   services.firefox-syncserver = {
     enable = true;
     # secrets = config.sops.secrets."sync-secrets".path;
+    # FIXME: change secret to sops correctly
+    secrets = builtins.toFile "sync-secrets" ''
+      SYNC_MASTER_SECRET=InsecureSecretToTest
+    '';
     singleNode = {
       enable = true;
       hostname = "sync.gladtherescake.eu";