diff --git a/stale-data-encoding.patch b/stale-data-encoding.patch
index 277a4d9..dcdbf50 100644
--- a/stale-data-encoding.patch
+++ b/stale-data-encoding.patch
@@ -1,19 +1,48 @@
 --- maven-javadoc-plugin-3.3.2/src/main/java/org/apache/maven/plugins/javadoc/StaleHelper.java	2022-02-07 20:52:42.000000000 +0100
-+++ maven-javadoc-plugin-3.3.2/src/main/java/org/apache/maven/plugins/javadoc/StaleHelper.java	2022-03-14 07:39:23.168128611 +0100
-@@ -141,9 +141,20 @@
++++ maven-javadoc-plugin-3.3.2/src/main/java/org/apache/maven/plugins/javadoc/StaleHelper.java	2022-03-14 07:46:55.466835949 +0100
+@@ -43,6 +43,19 @@
+ public class StaleHelper
+ {
+ 
++    private static Charset getDataCharset()
++    {
++        if ( JavaVersion.JAVA_SPECIFICATION_VERSION.isAtLeast( "9" )
++            && JavaVersion.JAVA_SPECIFICATION_VERSION.isBefore( "12" ) )
++        {
++            return StandardCharsets.UTF_8;
++        }
++        else
++        {
++            return Charset.defaultCharset();
++        }
++    }
++
+     /**
+      * Compute the data used to detect a stale javadoc
+      *
+@@ -61,16 +74,7 @@
+             String[] args = cmd.getArguments();
+             Collections.addAll( options, args );
+             
+-            final Charset cs;
+-            if ( JavaVersion.JAVA_SPECIFICATION_VERSION.isAtLeast( "9" )
+-                && JavaVersion.JAVA_SPECIFICATION_VERSION.isBefore( "12" ) )
+-            {
+-                cs = StandardCharsets.UTF_8;
+-            }
+-            else
+-            {
+-                cs = Charset.defaultCharset();
+-            }
++            final Charset cs = getDataCharset();
+             
+             for ( String arg : args )
+             {
+@@ -141,9 +145,11 @@
      {
          try
          {
-+            final Charset cs;
-+            if ( JavaVersion.JAVA_SPECIFICATION_VERSION.isAtLeast( "9" )
-+                && JavaVersion.JAVA_SPECIFICATION_VERSION.isBefore( "12" ) )
-+            {
-+                cs = StandardCharsets.UTF_8;
-+            }
-+            else
-+            {
-+                cs = Charset.defaultCharset();
-+            }
++            final Charset cs = getDataCharset();
 +            
              String curdata = getStaleData( cmd );
              Files.createDirectories( path.getParent() );