diff --git a/src/main.rs b/src/main.rs
index 6cd2d4b..56d115e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -10,7 +10,7 @@ struct Args {
 
 fn compute_size(path: PathBuf) -> Result<u64, std::io::Error> {
     if path.is_dir() {
-        std::fs::read_dir(path)?.try_fold(0_u64, |counter, entry| -> Result<u64, std::io::Error> {
+        std::fs::read_dir(path)?.try_fold(0_u64, |counter, entry| {
             Ok(counter + compute_size(entry?.path())?)
         })
     } else {