diff --git a/src/main.rs b/src/main.rs
index b7408f2..6e9bfa7 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,22 +14,22 @@ fn index() -> Result<String, Status> {
     if result == 0 {
         let block_size = stat.f_frsize as u64;
         let total = stat.f_blocks as u64 * block_size;
-        let free = stat.f_bfree as u64 * block_size;
-        let used = total - free;
+        let available = stat.f_bavail as u64 * block_size;
+        let used = total - available;
         let percentage_used = ((used as f64 / total as f64) * 100.0) as u64;
+        let percentage_available = 100 - percentage_used;
 
-        return Ok(format!("path:{}\ntotal-space:{}\nused-space:{}\npercentage_used:{}", host_path,total, used, percentage_used))
+        return Ok(format!("path:{}\ntotal-space:{}\nused-space:{}\npercentage-used:{}\npercentage-available{}", host_path,total, used, percentage_used, percentage_available))
     }
     Err(Status::InternalServerError)
 }
 
 #[launch]
 fn rocket() -> _ {
-
     println!("____  __        __    __  ___          _ __           _          ");
     println!("__/ |/ /__  ___/ /__ /  |/  /__  ___  (_) /____  ____(_)__  ___ _");
     println!("_/    / _ \\/ _  / -_) /|_/ / _ \\/ _ \\/ / __/ _ \\/ __/ / _ \\/ _ `/");
     println!("/_/|_/\\___/\\_,_/\\__/_/  /_/\\___/_//_/_/\\__/\\___/_/ /_/_//_/\\_, / ");
-    println!("                                                          /___/  ");
+    println!("                                                         /___/  ");
     rocket::custom(rocket::Config { address: "0.0.0.0".parse().unwrap(), port: 8080, ..Default::default() }).mount("/", routes![index])
 }