diff --git a/src/main.rs b/src/main.rs
index 3e83f49..a32799a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -102,14 +102,18 @@ fn crawl(argument: &Argument, output: &Output) -> Result<(), Box<dyn Error>> {
     // renew pending index files on items crawl completed
     if let Some(ref index_argument) = argument.index {
         for path in index {
-            let subject = format!("{path}{index_argument}");
+            let index_filename = format!("{path}{index_argument}");
+
+            // scan dir files, sort by name desc
+            let mut files: Vec<_> = read_dir(&path)?.filter_map(Result::ok).collect();
+            files.sort_by_key(|f| f.file_name());
 
-            let mut index = File::create(&subject)?;
             let mut data = Vec::with_capacity(argument.limit);
-
+            let mut index = File::create(&index_filename)?;
             let mut total = 0;
-            for file in read_dir(&path)? {
-                let name = file?.file_name().into_string().unwrap();
+
+            for file in files {
+                let name = file.file_name().into_string().unwrap();
 
                 if &name == index_argument {
                     continue;
@@ -124,7 +128,7 @@ fn crawl(argument: &Argument, output: &Output) -> Result<(), Box<dyn Error>> {
 
             index.write_all(data.join("\n\n").as_bytes())?;
 
-            output.debug(&format!("renew `{subject}` (total: {total})"));
+            output.debug(&format!("renew `{index_filename}` (total: {total})"));
         }
     }