diff --git a/package.json b/package.json
index d05749d..3544200 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mit.db",
-  "version": "2023.02.23",
+  "version": "2023.02.23.2",
   "description": "An easy and quick database",
   "main": "build/index.js",
   "types": "build/index.d.ts",
diff --git a/src/index.ts b/src/index.ts
index 8045b5a..a504a86 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -3,8 +3,6 @@ import * as fs from 'fs';
 
 const writeDB = promisify(fs.writeFile);
 
-let map: any, filename: string;
-
 class MitDB {
     /**
      * @constructor
@@ -13,17 +11,16 @@ class MitDB {
      * @param options Options to pass in the constructor
      * @param options.dirname where to put the database?
      */
-    constructor(fn?: string, options?: { dirname: string }) {
-        map = new Map();
-
-        if (fn) filename = fn;
-
-        if (options && options.dirname) const dirname = options.dirname;
-        else const dirname = 'data';
+    constructor(fn: string, options?: { dirname: string }) {
+        if (options && options.dirname) {
+            this.dirname = options.dirname;
+        } else { 
+            this.dirname = 'data';
+        }
 
         if (!fs.existsSync(dirname)) fs.mkdirSync(dirname);
 
-        const db = `./${dirname}/${filename}`
+        this.db = `./${dirname}/${filename}`
     }
 
     /**
@@ -33,18 +30,18 @@ class MitDB {
      */
     async set(key: string | number, value: any) {
         try {
-            const file = fs.readFileSync(db);
+            const file = fs.readFileSync(this.db);
             const data: any[] = JSON.parse(file.toString());
     
             const i = data.findIndex((pair: any) => pair.key == key);
     
             !data[i] ? data.push({ key, value }) : data[i] = { key, value };
 
-            await writeDB(db, JSON.stringify(data));
+            await writeDB(this.db, JSON.stringify(data));
             return data;
         } catch {
-            await writeDB(db, `[${JSON.stringify({ key, value })}]`).then(() => {
-                return JSON.parse(fs.readFileSync(db).toString());
+            await writeDB(this.db, `[${JSON.stringify({ key, value })}]`).then(() => {
+                return JSON.parse(fs.readFileSync(this.db).toString());
             });
         }
 
@@ -57,7 +54,7 @@ class MitDB {
      */
 
     get(key: string | number) {
-        const file = fs.readFileSync(db);
+        const file = fs.readFileSync(this.db);
         const data: any[] = JSON.parse(file.toString());
 
         return data.find((pair: any) => pair.key == key)?.value || undefined;    
@@ -68,28 +65,28 @@ class MitDB {
      * @param key 
      */
     has(key: string | number) {
-        const file = fs.readFileSync(db);
+        const file = fs.readFileSync(this.db);
         const data: any[] = JSON.parse(file.toString());
 
         return data.find((pair: any) => pair.key == key) ? true : false;    
     }
 
     entries() {
-        const file = fs.readFileSync(db);
+        const file = fs.readFileSync(this.db);
         const data: any[] = JSON.parse(file.toString());
 
         return data.map((pair: any) => [pair.key, pair.value]);
     }
 
     keys() {
-        const file = fs.readFileSync(db);
+        const file = fs.readFileSync(this.db);
         const data: any[] = JSON.parse(file.toString());
 
         return data.map((pair: any) => pair.key);
     }
 
     values() {
-        const file = fs.readFileSync(db);
+        const file = fs.readFileSync(this.db);
         const data: any[] = JSON.parse(file.toString());
 
         return data.map((pair: any) => pair.value);
@@ -100,7 +97,7 @@ class MitDB {
      * @param callbackfn 
      */
     forEach(callback: (value: any, key: any, map: Map<any, any>) => void) {
-        const file = fs.readFileSync(db);
+        const file = fs.readFileSync(this.db);
         const data: any[] = JSON.parse(file.toString());
 
         data.forEach((pair: any) => callback(pair.value, pair.key, map));
@@ -112,14 +109,14 @@ class MitDB {
      */
     async delete(key: string | number) {
         try {
-            const file = fs.readFileSync(db);
+            const file = fs.readFileSync(this.db);
             const data: any[] = JSON.parse(file.toString());
     
             const i = data.findIndex((pair: any) => pair.key == key);
     
             if (data[i]) {
                 data.splice(i, 1);
-                await writeDB(db, JSON.stringify(data));
+                await writeDB(this.db, JSON.stringify(data));
 
                 return true;
             } else if (!map) {
@@ -130,11 +127,11 @@ class MitDB {
     }
 
     async clear() {
-        await writeDB(db, JSON.stringify([])).catch(() => {});
+        await writeDB(this.db, JSON.stringify([])).catch(() => {});
     }
 
     size() {
-        const file = fs.readFileSync(db);
+        const file = fs.readFileSync(this.db);
         const data: any[] = JSON.parse(file.toString());
 
         return data.length;