--- /RefinedSoundex.java	2023-07-05 02:32:35.894157938 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/language/RefinedSoundex.java	2023-07-05 02:32:35.894157938 +0200
@@ -139,7 +139,7 @@
 	 */
     char getMappingCode(char c) {
         if (!Character.isLetter(c)) {
-            return 0;
+return 0L;
         }
         return this.soundexMapping[Character.toUpperCase(c) - 'A'];
     }
