diff --git a/src/main/org/apache/tools/ant/filters/ClassConstants.java b/src/main/org/apache/tools/ant/filters/ClassConstants.java
index 0bf76497d..01085d9b4 100644
--- a/src/main/org/apache/tools/ant/filters/ClassConstants.java
+++ b/src/main/org/apache/tools/ant/filters/ClassConstants.java
@@ -22,7 +22,7 @@ import java.io.Reader;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import org.apache.tools.ant.BuildException;
-
+import org.apache.tools.ant.util.ResourceUtils;
 
 /**
  * Assembles the constants declared in a Java class in
@@ -104,7 +104,7 @@ public final class ClassConstants
             if (clazz == null || clazz.length() == 0) {
                 ch = -1;
             } else {
-                final byte[] bytes = clazz.getBytes("ISO-8859-1");
+                final byte[] bytes = clazz.getBytes(ResourceUtils.ISO_8859_1);
                 try {
                     final Class javaClassHelper =
                         Class.forName(JAVA_CLASS_HELPER);
diff --git a/src/main/org/apache/tools/ant/taskdefs/LoadProperties.java b/src/main/org/apache/tools/ant/taskdefs/LoadProperties.java
index 4357c42dc..044cc0f87 100644
--- a/src/main/org/apache/tools/ant/taskdefs/LoadProperties.java
+++ b/src/main/org/apache/tools/ant/taskdefs/LoadProperties.java
@@ -37,6 +37,7 @@ import org.apache.tools.ant.types.FilterChain;
 import org.apache.tools.ant.types.resources.FileResource;
 import org.apache.tools.ant.types.resources.JavaResource;
 import org.apache.tools.ant.util.FileUtils;
+import org.apache.tools.ant.util.ResourceUtils;
 
 /**
  * Load a file's contents as Ant properties.
@@ -181,7 +182,7 @@ public class LoadProperties extends Task {
                 if (!text.endsWith("\n")) {
                     text = text + "\n";
                 }
-                tis = new ByteArrayInputStream(text.getBytes("ISO8859_1"));
+                tis = new ByteArrayInputStream(text.getBytes(ResourceUtils.ISO_8859_1));
                 final Properties props = new Properties();
                 props.load(tis);
 
diff --git a/src/main/org/apache/tools/ant/util/LayoutPreservingProperties.java b/src/main/org/apache/tools/ant/util/LayoutPreservingProperties.java
index 4b4f08854..88ce7f532 100644
--- a/src/main/org/apache/tools/ant/util/LayoutPreservingProperties.java
+++ b/src/main/org/apache/tools/ant/util/LayoutPreservingProperties.java
@@ -140,7 +140,7 @@ public class LayoutPreservingProperties extends Properties {
 
     public void load(InputStream inStream) throws IOException {
         String s = readLines(inStream);
-        byte[] ba = s.getBytes("ISO-8859-1");
+        byte[] ba = s.getBytes(ResourceUtils.ISO_8859_1);
         ByteArrayInputStream bais = new ByteArrayInputStream(ba);
         super.load(bais);
     }
@@ -251,7 +251,7 @@ public class LayoutPreservingProperties extends Properties {
     }
 
     public void store(OutputStream out, String header) throws IOException {
-        OutputStreamWriter osw = new OutputStreamWriter(out, "ISO-8859-1");
+        OutputStreamWriter osw = new OutputStreamWriter(out, ResourceUtils.ISO_8859_1);
 
         int skipLines = 0;
         int totalLines = logicalLines.size();
@@ -309,7 +309,7 @@ public class LayoutPreservingProperties extends Properties {
      * @param is the stream from which to read the data
      */
     private String readLines(InputStream is) throws IOException {
-        InputStreamReader isr = new InputStreamReader(is, "ISO-8859-1");
+        InputStreamReader isr = new InputStreamReader(is, ResourceUtils.ISO_8859_1);
         BufferedReader br = new BufferedReader(isr);
 
         if (logicalLines.size() > 0) {
diff --git a/src/main/org/apache/tools/ant/util/ResourceUtils.java b/src/main/org/apache/tools/ant/util/ResourceUtils.java
index 7413914d0..9c1fb433e 100644
--- a/src/main/org/apache/tools/ant/util/ResourceUtils.java
+++ b/src/main/org/apache/tools/ant/util/ResourceUtils.java
@@ -65,6 +65,13 @@ public class ResourceUtils {
     /** Utilities used for file operations */
     private static final FileUtils FILE_UTILS = FileUtils.getFileUtils();
 
+    /**
+     * Name of charset "ISO Latin Alphabet No. 1, a.k.a. ISO-LATIN-1".
+     *
+     * @since Ant 1.8.1
+     */
+    public static final String ISO_8859_1 = "ISO-8859-1";
+
     /**
      * Tells which source files should be reprocessed based on the
      * last modification date of target files.