diff --git a/pkgs/servers/klipper/klipper-firmware.nix b/pkgs/servers/klipper/klipper-firmware.nix
index fba5331d5b83..2f40c6fd86a4 100644
--- a/pkgs/servers/klipper/klipper-firmware.nix
+++ b/pkgs/servers/klipper/klipper-firmware.nix
@@ -46,7 +46,8 @@
   installPhase = ''
     mkdir -p $out
     cp ./.config $out/config
-    cp -r out/* $out
+    cp out/klipper.bin $out/ || true
+    cp out/klipper.elf $out/ || true
   '';
 
   dontFixup = true;