diff --git a/package-lock.json b/package-lock.json
index 91867a4..0fa2b1b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "physical-barcode-reader-observer",
-  "version": "2.0.4",
+  "version": "2.0.5",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 1684beb..ee9f840 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "physical-barcode-reader-observer",
-  "version": "2.0.4",
+  "version": "2.0.5",
   "description": "Library which observe keyboard input events to listen HID barcode reader events",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
diff --git a/src/__tests__/barcode-type-detector.test.ts b/src/__tests__/barcode-type-detector.test.ts
index b3b1fca..0b1a3d1 100644
--- a/src/__tests__/barcode-type-detector.test.ts
+++ b/src/__tests__/barcode-type-detector.test.ts
@@ -1,4 +1,4 @@
-import {BarcodeTypeDetector} from '../barcode-type-detector';
+import { BarcodeTypeDetector } from '../barcode-type-detector';
 import { BarcodeType } from '../enums';
 
 test('EAN_13 Validation', () => {
diff --git a/src/barcode-type-detector.ts b/src/barcode-type-detector.ts
index a1faaa3..39dceb8 100644
--- a/src/barcode-type-detector.ts
+++ b/src/barcode-type-detector.ts
@@ -23,13 +23,13 @@ const isOnlyDigits = (value: string, length: number): boolean => onlyDigitsRegex
  */
 const getEanControlKey = (value: string): number => {
   const sumCtrl = value
-      .slice(0, value.length - 1)
-      .split('')
-      // Chars are only digits
-      .map(digit => parseInt(digit, 10))
-      // Each even char column index is multiply by 3
-      // And we make the sum
-      .reduce((acc, digit, index) => acc + ((index % 2) ? digit : (digit * 3)), 0);
+    .slice(0, value.length - 1)
+    .split('')
+    // Chars are only digits
+    .map(digit => parseInt(digit, 10))
+    // Each even char column index is multiply by 3
+    // And we make the sum
+    .reduce((acc, digit, index) => acc + (index % 2 ? digit : digit * 3), 0);
   return 10 - (sumCtrl % 10);
 };
 /**