diff --git a/bureau/admin/sql_getparam.php b/bureau/admin/sql_getparam.php
index 6e1a4186..1d91bae4 100644
--- a/bureau/admin/sql_getparam.php
+++ b/bureau/admin/sql_getparam.php
@@ -97,7 +97,7 @@ if ($r[Rights] == 'All') {
 	</tr>
 	<tr>
 		<td colspan="2" align="center">
-                  <a href="/alternc-sql/" target="_blank"><?php __("Web interface PhpMyAdmin"); ?></a>
+                  <a href="/sql_pma_sso.php" target="_blank"><?php __("Web interface PhpMyAdmin"); ?></a>
                   <p>
                   <code>http://<?php echo $L_FQDN; ?>/alternc-sql/</code>
                   </p>
diff --git a/bureau/admin/sql_pma_sso.php b/bureau/admin/sql_pma_sso.php
index 657302a1..c33103e0 100644
--- a/bureau/admin/sql_pma_sso.php
+++ b/bureau/admin/sql_pma_sso.php
@@ -35,6 +35,10 @@ if ($r=$mysql->php_myadmin_connect()) {
   $_SESSION['PMA_single_signon_password'] = $r["pass"];
   $_SESSION['PMA_single_signon_host'] = $r["host"]; // pma >= 2.11
   session_write_close();
+
+  // Forget any standard phpmyadmin session
+  setcookie("phpMyAdmin", "", time() - 3600);
+
   // finally redirect to phpMyAdmin :
   header("Location: /alternc-sql/index.php");
   exit();