diff --git a/Cargo.toml b/Cargo.toml
index 282e7b0..7f71ead 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2024"
 [dependencies]
 chrono = "0.4.41"
 log = "0.4.27"
-mlua = "0.11.3"
+mlua = { version = "0.11.3", features = ["lua54"] }
 rand = "0.9.2"
 rayon = "1.10.0"
 serde = { version = "1.0.219", features = ["derive", "serde_derive"] }
diff --git a/src/firmware/xbuilder.rs b/src/firmware/xbuilder.rs
index 2479ba0..68b1d7f 100644
--- a/src/firmware/xbuilder.rs
+++ b/src/firmware/xbuilder.rs
@@ -27,12 +27,20 @@ impl Peekable for LastBuildFirmware {
     fn peek(&self) -> Result<Vec<String>, Box<dyn std::error::Error>> {
         let mut peeked = Vec::new();
 
-        let file = File::open(self.path).unwrap();
+        let file = File::open(self.path.clone()).unwrap();
         let mut ar = Archive::new(file);
 
         for file2 in ar.entries().unwrap() {
-            let mut f = file2.unwrap();
-            peeked.push(f.path().unwrap().file_name().unwrap().to_str().unwrap());
+            let f = file2.unwrap();
+            peeked.push(
+                f.path()
+                    .unwrap()
+                    .file_name()
+                    .unwrap()
+                    .to_str()
+                    .unwrap()
+                    .to_string(),
+            );
         }
 
         Ok(peeked)
@@ -40,8 +48,6 @@ impl Peekable for LastBuildFirmware {
 }
 
 pub fn read_last_build_firmwares() -> Result<Vec<LastBuildFirmware>, Box<dyn std::error::Error>> {
-    let mut result = Vec::new();
-
     // get config
     let ucfg = common::get_config();
     let firmware_dir = ucfg
@@ -49,30 +55,32 @@ pub fn read_last_build_firmwares() -> Result<Vec<LastBuildFirmware>, Box<dyn std
         .expect("Unknown firmware directory, check .tbcfg");
 
     // parallel walk to dir
-    walkdir::WalkDir::new(firmware_dir)
+    let result = walkdir::WalkDir::new(firmware_dir)
         .max_depth(2)
         .into_iter()
         .par_bridge()
         .filter(|w| {
-            let filename = w.ok().unwrap().file_name().to_str().unwrap();
-            filename.ends_with(".tar") || filename.ends_with(".zip")
+            let filename = &w.as_ref().unwrap().clone();
+            let file_clone = filename.file_name().to_str().unwrap();
+            file_clone.ends_with(".tar") || file_clone.ends_with(".zip")
         })
-        .for_each(|entry| {
-            let dir = entry?;
-            let meta = dir.clone().metadata()?;
+        .map(|entry| {
+            let dir = entry.unwrap();
+            let meta = dir.clone().metadata().unwrap();
 
-            let filename = dir.clone().file_name().to_str().unwrap();
-            let mod_time: DateTime<Utc> = meta.modified()?.into();
+            let filename = dir.clone().file_name().to_str().unwrap().to_string();
+            let mod_time: DateTime<Utc> = meta.modified().unwrap().into();
             let full_firmware = filename.clone().contains("full");
 
-            result.push(LastBuildFirmware {
-                path: filename.clone(),
+            LastBuildFirmware {
+                path: filename,
                 date: mod_time,
                 is_full: full_firmware,
                 entries: Vec::new(),
                 tags: None,
-            });
-        });
+            }
+        })
+        .collect();
 
     Ok(result)
 }