diff --git a/WHATSNEW b/WHATSNEW
index 2ff6ee474..18708f9cd 100644
--- a/WHATSNEW
+++ b/WHATSNEW
@@ -14,6 +14,11 @@ Fixed bugs:
 
  * <gunzip> and <bunzip2> didn't work for non-filesystem resources.
 
+ * <jar> ignored the zip64Mode attribute when creating manifest-only
+   jars.  This resulted in jar files that couldn't be read by Java5.
+   Bugzilla Report 58428
+
+
 Other changes:
 --------------
 
diff --git a/src/main/org/apache/tools/ant/taskdefs/Jar.java b/src/main/org/apache/tools/ant/taskdefs/Jar.java
index c2c0f0edb..28738b18d 100644
--- a/src/main/org/apache/tools/ant/taskdefs/Jar.java
+++ b/src/main/org/apache/tools/ant/taskdefs/Jar.java
@@ -914,6 +914,7 @@ public class Jar extends Zip {
             zOut = new ZipOutputStream(getDestFile());
 
             zOut.setEncoding(getEncoding());
+            zOut.setUseZip64(getZip64Mode().getMode());
             if (isCompress()) {
                 zOut.setMethod(ZipOutputStream.DEFLATED);
             } else {