diff --git a/ChangeLog b/ChangeLog
index eee8e3ad2..5ce021e8d 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -28,6 +28,8 @@ $Source$
       #1039193).
     * server_privileges.php: Make non-js checkall work also for adding new
       user (bug #1028055).
+    * libraries/zip.lib.php: Drop unneed part of header which causes troubles
+      to some programs (bug #1037737).
 
 2004-10-17 Marc Delisle  <lem9@users.sourceforge.net>
     * lang/turkish update, thanks to boralioglu.
diff --git a/libraries/zip.lib.php b/libraries/zip.lib.php
index 8a8f02905..b29435fb6 100644
--- a/libraries/zip.lib.php
+++ b/libraries/zip.lib.php
@@ -124,9 +124,11 @@ class zipfile
 
         // "data descriptor" segment (optional but necessary if archive is not
         // served as file)
-        $fr .= pack('V', $crc);                 // crc32
-        $fr .= pack('V', $c_len);               // compressed filesize
-        $fr .= pack('V', $unc_len);             // uncompressed filesize
+        // nijel(2004-10-19): this seems not to be needed at all and causes
+        // problems in some cases (bug #1037737)
+        //$fr .= pack('V', $crc);                 // crc32
+        //$fr .= pack('V', $c_len);               // compressed filesize
+        //$fr .= pack('V', $unc_len);             // uncompressed filesize
 
         // add this entry to array
         $this -> datasec[] = $fr;