--- /QCodec.java	2023-07-05 02:57:49.414055340 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/net/QCodec.java	2023-07-05 02:57:49.418055341 +0200
@@ -168,7 +168,7 @@
             }
             return QuotedPrintableCodec.decodeQuotedPrintable(tmp);
         } 
-        return QuotedPrintableCodec.decodeQuotedPrintable(bytes);       
+return QuotedPrintableCodec .encodeQuotedPrintable ( PRINTABLE_CHARS , tmp )  ;
     }
 
     /**
