diff --git a/lass/1systems/icarus/config.nix b/lass/1systems/icarus/config.nix
index d2d4bd3eb..868d75083 100644
--- a/lass/1systems/icarus/config.nix
+++ b/lass/1systems/icarus/config.nix
@@ -17,6 +17,7 @@
     <stockholm/lass/2configs/backup.nix>
     <stockholm/lass/2configs/wine.nix>
     <stockholm/lass/2configs/blue-host.nix>
+    <stockholm/lass/2configs/syncthing.nix>
   ];
 
   krebs.build.host = config.krebs.hosts.icarus;
diff --git a/lass/1systems/skynet/config.nix b/lass/1systems/skynet/config.nix
index 4b806af7b..0bf3e6b4d 100644
--- a/lass/1systems/skynet/config.nix
+++ b/lass/1systems/skynet/config.nix
@@ -7,6 +7,7 @@ with import <stockholm/lib>;
     <stockholm/lass/2configs/retiolum.nix>
     <stockholm/lass/2configs/blue-host.nix>
     <stockholm/lass/2configs/power-action.nix>
+    <stockholm/lass/2configs/syncthing.nix>
     {
       services.xserver.enable = true;
       services.xserver.desktopManager.xfce.enable = true;
diff --git a/lass/2configs/syncthing.nix b/lass/2configs/syncthing.nix
index 17debf822..164e89679 100644
--- a/lass/2configs/syncthing.nix
+++ b/lass/2configs/syncthing.nix
@@ -8,4 +8,13 @@ with import <stockholm/lib>;
     { predicate = "-p tcp --dport 22000"; target = "ACCEPT";}
     { predicate = "-p udp --dport 21027"; target = "ACCEPT";}
   ];
+  krebs.syncthing = {
+    enable = true;
+    cert = toString <secrets/syncthing.cert>;
+    key = toString <secrets/syncthing.key>;
+    peers = mapAttrs (n: v: { id = v.syncthing.id; }) (filterAttrs (n: v: v.syncthing.id != null) config.krebs.hosts);
+    folders = [
+      { path = "/tmp/testsync"; peers = [ "icarus" "mors" "skynet" ]; }
+    ];
+  };
 }
diff --git a/lass/2configs/tests/dummy-secrets/syncthing.cert b/lass/2configs/tests/dummy-secrets/syncthing.cert
new file mode 100644
index 000000000..e69de29bb
diff --git a/lass/2configs/tests/dummy-secrets/syncthing.key b/lass/2configs/tests/dummy-secrets/syncthing.key
new file mode 100644
index 000000000..e69de29bb