diff --git a/flake.nix b/flake.nix
index 1c1842ab..426f9927 100644
--- a/flake.nix
+++ b/flake.nix
@@ -121,8 +121,9 @@
       flake = false;
     };
     tracer = {
-      url = "git+https://gitea.nek0.eu/nek0/tracer";
-      inputs= {
+      # url = "git+https://gitea.nek0.eu/nek0/tracer";
+      url = "git+https://gitea.c3d2.de/astro/tracer";
+      inputs = {
         affection-src.follows = "affection-src";
         nixpkgs.follows = "nixos";
         flake-utils.follows = "flake-utils";