diff --git a/scripts/helper.js b/scripts/helper.js
index 553706530..5c7fadb2c 100644
--- a/scripts/helper.js
+++ b/scripts/helper.js
@@ -11,6 +11,38 @@ const iso6393 = require('iso-639-3')
 
 let helper = {}
 
+helper.supportedCategories = {
+  auto: 'Auto',
+  business: 'Business',
+  classic: 'Classic',
+  comedy: 'Comedy',
+  documentary: 'Documentary',
+  education: 'Education',
+  entertainment: 'Entertainment',
+  family: 'Family',
+  fashion: 'Fashion',
+  food: 'Food',
+  general: 'General',
+  health: 'Health',
+  history: 'History',
+  hobby: 'Hobby',
+  kids: 'Kids',
+  legislative: 'Legislative',
+  lifestyle: 'Lifestyle',
+  local: 'Local',
+  movies: 'Movies',
+  music: 'Music',
+  news: 'News',
+  quiz: 'Quiz',
+  religious: 'Religious',
+  'sci-fi': 'Sci-Fi',
+  shop: 'Shop',
+  sport: 'Sport',
+  travel: 'Travel',
+  weather: 'Weather',
+  xxx: 'XXX'
+}
+
 helper.code2flag = function (code) {
   switch (code) {
     case 'uk':
@@ -205,48 +237,7 @@ helper.filterPlaylists = function (arr, include = '', exclude = '') {
 }
 
 helper.filterGroup = function (groupTitle) {
-  if (!groupTitle) return ''
-
-  const supportedCategories = [
-    'Auto',
-    'Business',
-    'Classic',
-    'Comedy',
-    'Documentary',
-    'Education',
-    'Entertainment',
-    'Family',
-    'Fashion',
-    'Food',
-    'General',
-    'Health',
-    'History',
-    'Hobby',
-    'Kids',
-    'Legislative',
-    'Lifestyle',
-    'Local',
-    'Movies',
-    'Music',
-    'News',
-    'Quiz',
-    'Religious',
-    'Sci-Fi',
-    'Shop',
-    'Sport',
-    'Travel',
-    'Weather',
-    'XXX'
-  ]
-  const groupIndex = supportedCategories.map(g => g.toLowerCase()).indexOf(groupTitle.toLowerCase())
-
-  if (groupIndex === -1) {
-    groupTitle = ''
-  } else {
-    groupTitle = supportedCategories[groupIndex]
-  }
-
-  return groupTitle
+  return this.supportedCategories[groupTitle.toLowerCase()] || ''
 }
 
 helper.sleep = function (ms) {