--- /DoubleMetaphone.java	2023-07-05 03:07:44.234035267 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/language/DoubleMetaphone.java	2023-07-05 03:07:44.238035267 +0200
@@ -141,7 +141,7 @@
                 break;
             case 'M':
                 result.append('M');
-                index = conditionM0(value, index) ? index + 2 : index + 1;
+index = charAt ( value, index + 1 )  == 'B' ? index + 2 : index + 1;index = conditionM0 ( value, index )  ? index + 2 : index + 1;
                 break;
             case 'N':
                 result.append('N');
