diff --git a/src-tauri/src/helpers.rs b/src-tauri/src/helpers.rs
index 64864064..7f76fd2c 100644
--- a/src-tauri/src/helpers.rs
+++ b/src-tauri/src/helpers.rs
@@ -7,6 +7,11 @@ pub fn decode_buffer(buf: Vec<u8>) -> String {
     let mut str_encoding = charset2encoding(&result.0);
     // let's just say it's cp1251 if encoding is not detected
     // FIXME: find a way to actually detect cp1251 and cp1252 from together
+
+    if result.0 == "KOI8-R" && result.1 < 0.7 && result.2 == "Russian" {
+        str_encoding = "cp1251";
+    }
+
     if str_encoding.len() < 1 {
         str_encoding = "cp1251";
     }