diff --git a/src/main.rs b/src/main.rs
index 27e20ec..c76417d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -439,7 +439,7 @@ async fn run() -> Result<()> {
 
     let (out_dir, out_path) = if let Ok(metadata) = metadata(&output) {
         if metadata.is_dir() {
-            let out_path = output.join("default.nix");
+            let out_path = output.join("package.nix");
             if out_path.exists() && ask_overwrite(&mut editor, &out_path)? {
                 return Ok(());
             }
@@ -453,7 +453,7 @@ async fn run() -> Result<()> {
         .map_or(false, |out_path| out_path.ends_with_str(b"/"))
     {
         let _ = create_dir_all(&output);
-        (Some(output.as_ref()), output.join("default.nix"))
+        (Some(output.as_ref()), output.join("package.nix"))
     } else {
         let out_dir = output.parent();
         if let Some(out_dir) = out_dir {