diff --git a/src/main/java/org/codehaus/plexus/archiver/zip/AbstractZipArchiver.java b/src/main/java/org/codehaus/plexus/archiver/zip/AbstractZipArchiver.java
index 449ffe886..1090f86e6 100755
--- a/src/main/java/org/codehaus/plexus/archiver/zip/AbstractZipArchiver.java
+++ b/src/main/java/org/codehaus/plexus/archiver/zip/AbstractZipArchiver.java
@@ -853,6 +853,7 @@ protected Date normalizeLastModifiedDate( Date lastModifiedDate )
     private static long dosToJavaTime( long dosTime )
     {
         Calendar cal = Calendar.getInstance();
+        cal.setTimeInMillis( dosTime );
         return dosTime - ( cal.get( Calendar.ZONE_OFFSET ) + cal.get( Calendar.DST_OFFSET ) );
     }
 }