diff --git a/src/config.rs b/src/config.rs
index fcafed2..423341a 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -5,7 +5,12 @@ use fltk::dialog;
 use fltk_theme::ThemeType;
 use lazy_static::lazy_static;
 use serde::{Deserialize, Serialize};
-use std::{collections::HashMap, fs::File, path::PathBuf};
+use std::{
+    collections::HashMap,
+    fs::File,
+    path::PathBuf,
+    time::{Duration, SystemTime},
+};
 
 lazy_static! {
     static ref CONFIG_DIR: PathBuf = {
@@ -187,14 +192,38 @@ pub(crate) fn config() -> Args {
     args
 }
 
+pub(crate) fn is_file_30_days_old(file: &File) -> bool {
+    if let Ok(meta) = file.metadata() {
+        if let Ok(time) = meta.created() {
+            if let Ok(dur) = SystemTime::now().duration_since(time) {
+                if dur > Duration::from_secs(60 * 60 * 24 * 30) {
+                    return true;
+                }
+            }
+        }
+    }
+    false
+}
+
 pub(crate) fn log_file() -> File {
     match File::open(&*LOG_PATH) {
-        Ok(f) => f,
+        Ok(mut file) => {
+            if is_file_30_days_old(&file) {
+                match File::create(&*LOG_PATH) {
+                    Ok(f) => file = f,
+                    Err(e) => {
+                        dialog::alert_default("Can't open log file!");
+                        panic!("{:?}", e);
+                    }
+                }
+            }
+            file
+        }
         Err(_) => match File::create(&*LOG_PATH) {
             Ok(f) => f,
             Err(e) => {
                 dialog::alert_default("Can't open log file!");
-                panic!("{:?}", e)
+                panic!("{:?}", e);
             }
         },
     }