diff --git a/ChangeLog b/ChangeLog
index 82fe06a5b..e7257ecaf 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,10 @@ phpMyAdmin - Changelog
 $Id$
 $Source$
 
+2002-11-11 Alexander M. Turek  <rabus@users.sourceforge.net>
+    * libaries/common.lib.php3: Fixed bug #?????? (Error when modifying table
+      keys). --- Please insert the correct bug id as soon as SF is up again :o)
+
 2002-11-11 Marc Delisle  <lem9@users.sourceforge.net>
     * libraries/sqlparser.lib.php3: LEFT JOIN ... USING
     * libraries/sqlparser.lib.php3: bug 636575 (double and single quotes)
diff --git a/libraries/common.lib.php3 b/libraries/common.lib.php3
index 0d24f4037..fdb86640b 100644
--- a/libraries/common.lib.php3
+++ b/libraries/common.lib.php3
@@ -1104,7 +1104,7 @@ if (typeof(document.getElementById) != 'undefined'
 
         // Checks if the table needs to be repaired after a TRUNCATE query.
         if (PMA_MYSQL_INT_VERSION >= 40000
-            && isset($GLOBALS['table'])
+            && isset($GLOBALS['table']) && isset($GLOBALS['sql_query'])
             && $GLOBALS['sql_query'] == 'TRUNCATE TABLE ' . PMA_backquote($GLOBALS['table'])) {
             if (!isset($tbl_status)) {
                 $result = @PMA_mysql_query('SHOW TABLE STATUS FROM ' . PMA_backquote($GLOBALS['db']) . ' LIKE \'' . PMA_sqlAddslashes($GLOBALS['table'], TRUE) . '\'');