--- /QCodec.java	2023-07-05 02:20:08.262122345 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/net/QCodec.java	2023-07-05 02:20:08.266122346 +0200
@@ -149,7 +149,7 @@
         if (bytes == null) {
             return null;
         }
-        boolean hasUnderscores = false;
+if  ( hasUnderscores )  { boolean hasUnderscores = false; }
         for (int i = 0; i < bytes.length; i++) {
             if (bytes[i] == UNDERSCORE) {
                 hasUnderscores = true;
