diff --git a/rust/src/main.rs b/rust/src/main.rs
index 2ebfff0..c2ac9ad 100644
--- a/rust/src/main.rs
+++ b/rust/src/main.rs
@@ -23,7 +23,8 @@ fn main() -> Result<(), Box<dyn Error>> {
     let input = Path::new("./input");
     let paths = iterator(input).collect::<Vec<PathBuf>>();
 
-    let chunks = paths.chunks(paths.len() / 4 + paths.len() % 4);
+    let n_threads = 4;
+    let chunks = paths.chunks(paths.len() / n_threads + paths.len() % n_threads);
     println!("threads: {}", chunks.len());
 
     let (rx, threads) = {