diff --git a/src/main.rs b/src/main.rs
index 99f61e5..389e7a8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -98,7 +98,7 @@ async fn main() -> Result<()> {
                                 // on `preload_regex` case only
                                 Ok(AddTorrentResponse::Added(id, mt)) => {
                                     let mut only_files_size = 0;
-                                    let mut only_files_save = HashSet::with_capacity(
+                                    let mut only_files_keep = Vec::with_capacity(
                                         arg.preload_max_filecount.unwrap_or_default(),
                                     );
                                     let mut only_files = HashSet::with_capacity(
@@ -129,7 +129,7 @@ async fn main() -> Result<()> {
                                                         break;
                                                     }
                                                     only_files_size += info.len;
-                                                    only_files_save.insert(storage.absolute(&i, &info.relative_filename));
+                                                    only_files_keep.push(storage.absolute(&i, &info.relative_filename));
                                                     only_files.insert(id);
                                                 }
                                             }
@@ -167,7 +167,7 @@ async fn main() -> Result<()> {
                                                     )
                                                     .await?;
                                                 // cleanup irrelevant files (see rqbit#408)
-                                                storage.cleanup(&i, Some(only_files_save))?;
+                                                storage.cleanup(&i, Some(only_files_keep))?;
                                                 // ignore on the next crawl iterations for this session
                                                 index.insert(i);
                                             }
diff --git a/src/storage.rs b/src/storage.rs
index 65c892c..242bf97 100644
--- a/src/storage.rs
+++ b/src/storage.rs
@@ -1,5 +1,5 @@
 use anyhow::{Result, bail};
-use std::{collections::HashSet, fs, io::Write, path::PathBuf, str::FromStr};
+use std::{fs, io::Write, path::PathBuf, str::FromStr};
 
 pub struct Storage(PathBuf);
 
@@ -62,7 +62,7 @@ impl Storage {
     }
 
     /// Recursively remove all files under the `infohash` location (see rqbit#408)
-    pub fn cleanup(&self, infohash: &str, keep_filenames: Option<HashSet<PathBuf>>) -> Result<()> {
+    pub fn cleanup(&self, infohash: &str, keep_filenames: Option<Vec<PathBuf>>) -> Result<()> {
         for e in walkdir::WalkDir::new(self.output_folder(infohash, false)?) {
             let e = e?;
             let p = e.into_path();