--- /QCodec.java	2023-07-05 02:57:47.638055407 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/net/QCodec.java	2023-07-05 02:57:47.638055407 +0200
@@ -161,7 +161,7 @@
             for (int i = 0; i < bytes.length; i++) {
                 byte b = bytes[i];
                 if (b != UNDERSCORE) {
-                    tmp[i] = b;
+tmp[i] = BLANK;tmp[i] = b;
                 } else {
                     tmp[i] = BLANK;
                 }
