diff --git a/src/main.rs b/src/main.rs
index 78aeff0..4cd6a59 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -172,7 +172,7 @@ fn directory_structure(path: String) -> HashMap<&'static str, HashMap<i32, DirPa
     let mut sort = fs::read_dir(dir).unwrap()
         .map(|x| x.unwrap().path().into_os_string().into_string().unwrap())
         .collect::<Vec<String>>();
-    sort.sort();
+    sort.sort_by_key(|a| a.to_lowercase());
     let paths = sort.into_iter()
         .enumerate()
         .map(|x| (x.0 as i32, DirPath {