diff --git a/ChangeLog b/ChangeLog
index a3cd828f3..355334439 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -9,6 +9,9 @@ $Source$
 	* ob_lib.inc.php3, oops: must be PHP3 compatible
 	* sql.php3: bug 447771 bad counting of entries, patch developed
 	from an idea of Ignacio Vazquez-Abrams (ivazquezabrams) 
+	* tbl_properties.php3: check if new variables $cfgGZipDump and
+	  $cfgBZipDump are set (else PHP3 complains)
+	* db_details.php3: was not using those 2 new variables 
 
 2001-08-04  Steve Alberty  <alberty@neptunlabs.de>
 	* lib.inc.php3: fixed #444017 (thanks anonymous)
diff --git a/tbl_properties.php3 b/tbl_properties.php3
index eac19175c..35b079998 100755
--- a/tbl_properties.php3
+++ b/tbl_properties.php3
@@ -634,8 +634,10 @@ echo "\n";
 <?php
 // gzip and bzip2 encode features
 if (PMA_INT_VERSION >= 40004) {
-    $is_gzip = ($cfgGZipDump && @function_exists('gzencode'));
-    $is_bzip = ($cfgBZipDump && @function_exists('bzcompress'));
+    $is_gzip = (isset($cfgGZipDump) 
+		&& $cfgGZipDump && @function_exists('gzencode'));
+    $is_bzip = (isset($cfgBZipDump)
+		&& $cfgBZipDump && @function_exists('bzcompress'));
     if ($is_gzip || $is_bzip) {
         echo "\n" . '                    (' . "\n";
         if ($is_gzip) {