diff --git a/ChangeLog b/ChangeLog
index 783558e54..9b92f57db 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -10,6 +10,7 @@ $Source$
       a reserved word in MySQL
     * libraries/sqlparser.data.php3: bug 708887: MONTH() and YEAR() 
       are functions
+    * libraries/common.lib.php3: bug 721278: Skip Explain SQL
 
 2003-04-14 Michal Cihar  <nijel@users.sourceforge.net>
     * lang/some translations: Damn, I didn't commit all empty translations
diff --git a/libraries/common.lib.php3 b/libraries/common.lib.php3
index d6f7883f7..40cc61e65 100644
--- a/libraries/common.lib.php3
+++ b/libraries/common.lib.php3
@@ -1419,7 +1419,7 @@ h1    {font-family: sans-serif; font-size: large; font-weight: bold}
                     if (eregi('^SELECT[[:space:]]+', $GLOBALS['sql_query'])) {
                         $explain_link .= urlencode('EXPLAIN ' . $GLOBALS['sql_query']) . '">' . $GLOBALS['strExplain'];
                     } else if (eregi('^EXPLAIN[[:space:]]+SELECT[[:space:]]+', $GLOBALS['sql_query'])) {
-                        $explain_link .= substr($GLOBALS['sql_query'], 8) . '">' . $GLOBALS['strNoExplain'];
+                        $explain_link .= urlencode(substr($GLOBALS['sql_query'], 8)) . '">' . $GLOBALS['strNoExplain'];
                     } else {
                         $explain_link = '';
                     }