diff --git a/lass/2configs/gc.nix b/lass/2configs/gc.nix
index f9c61c461..224a6cbb9 100644
--- a/lass/2configs/gc.nix
+++ b/lass/2configs/gc.nix
@@ -3,7 +3,7 @@
 with import <stockholm/lib>;
 {
   nix.gc = {
-    automatic = ! (elem config.krebs.build.host.name [ "mors" "xerxes" ] || config.boot.isContainer);
+    automatic = ! (elem config.krebs.build.host.name [ "mors" "xerxes" "coaxmetal" ] || config.boot.isContainer);
     options = "--delete-older-than 15d";
   };
 }