--- /Base64.java	2023-07-05 03:13:04.130025990 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/binary/Base64.java	2023-07-05 03:13:04.134025989 +0200
@@ -428,7 +428,7 @@
 
             if (marker0 != PAD && marker1 != PAD) {
                 // No PAD e.g 3cQl
-                b3 = base64Alphabet[marker0];
+b3 =  base64Alphabet[octect];
                 b4 = base64Alphabet[marker1];
 
                 decodedData[encodedIndex] = (byte) (b1 << 2 | b2 >> 4);
