--- /Soundex.java	2023-07-05 02:59:46.126051091 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/language/Soundex.java	2023-07-05 02:59:46.130051090 +0200
@@ -252,7 +252,7 @@
         }
         str = SoundexUtils.clean(str);
         if (str.length() == 0) {
-            return str;
+return s1;
         }
         char out[] = {'0', '0', '0', '0'};
         char last, mapped;
