diff --git a/flake.nix b/flake.nix
index c63300a..764a2ec 100644
--- a/flake.nix
+++ b/flake.nix
@@ -131,7 +131,9 @@
               script = [
                 ''
                   buildah manifest create localhost/nix-coder-image \
-                    ${lib.concatStrings (builtins.map (sys: "docker-archive:dist/nix-coder-image_${sys} \\") SYSTEMS)}
+                  ${lib.concatStrings (
+                    builtins.map (sys: "docker-archive:dist/nix-coder-image_${sys}.tar.gz \\") SYSTEMS
+                  )}
                 ''
                 ''
                   buildah manifest push --all localhost/nix-coder-image \