diff --git a/libse/LanguageAutoDetect.cs b/libse/LanguageAutoDetect.cs
index 958db2e2e..c207b9320 100644
--- a/libse/LanguageAutoDetect.cs
+++ b/libse/LanguageAutoDetect.cs
@@ -779,7 +779,7 @@ namespace Nikse.SubtitleEdit.Core
                 if (GetCount(thaiEncoding.GetString(buffer), "โอ", "โรเบิร์ต", "วิตตอเรีย", "ดร", "คุณตำรวจ", "ราเชล", "ไม่", "เลดดิส", "พระเจ้า", "เท็ดดี้", "หัวหน้า", "แอนดรูว์") > 5)
                     return thaiEncoding;
 
-                Encoding arabicEncoding = Encoding.GetEncoding(28596); // Arabic
+                Encoding arabicEncoding = Encoding.GetEncoding(1256); // Arabic
                 Encoding hewbrewEncoding = Encoding.GetEncoding(28598); // Hebrew
                 if (GetCount(arabicEncoding.GetString(buffer), AutoDetectWordsArabic) > 5)
                 {