diff --git a/assets/js/comments.js b/assets/js/comments.js
index 79cc25ae..abe423ce 100644
--- a/assets/js/comments.js
+++ b/assets/js/comments.js
@@ -1,12 +1,7 @@
 var video_data = JSON.parse(document.getElementById('video_data').textContent);
 
-var isRTL = (() => {           
-    var ltrChars    = 'A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02B8\u0300-\u0590\u0800-\u1FFF'+'\u2C00-\uFB1C\uFDFE-\uFE6F\uFEFD-\uFFFF',
-        rtlChars    = '\u0591-\u07FF\uFB1D-\uFDFD\uFE70-\uFEFC',
-        rtlDirCheck = new RegExp('^[^'+ltrChars+']*['+rtlChars+']');
-
-    return rtlDirCheck.test(video_data.hide_replies_text);
-})();
+// Arabic, Persian, Hebrew
+var isRTL = ["ar", "fa", "he"].includes(video_data.preferences.locale);
 
 var spinnerHTML = '<h3 style="text-align:center"><div class="loading"><i class="icon ion-ios-refresh"></i></div></h3>';
 var spinnerHTMLwithHR = spinnerHTML + '<hr>';