diff --git a/adminer/include/adminer.inc.php b/adminer/include/adminer.inc.php
index 0b6b1836..355e2f64 100644
--- a/adminer/include/adminer.inc.php
+++ b/adminer/include/adminer.inc.php
@@ -13,7 +13,7 @@ class Adminer {
 	* @return string HTML code
 	*/
 	function name() {
-		return "<a href='https://github.com/pematon/adminer'" . target_blank() . " id='h1'>Adminer</a>";
+		return "<a id='h1' href='" . h(HOME_URL) . "'>Adminer</a>";
 	}
 
 	/** Connection parameters
diff --git a/adminer/include/auth.inc.php b/adminer/include/auth.inc.php
index df66b485..9bde480d 100644
--- a/adminer/include/auth.inc.php
+++ b/adminer/include/auth.inc.php
@@ -147,7 +147,7 @@ if ($auth) {
 		set_session($key, null);
 	}
 	unset_permanent();
-	redirect(substr(preg_replace('~\b(username|db|ns)=[^&]*&~', '', ME), 0, -1), lang('Logout successful.') . ' ' . lang('Thanks for using Adminer, consider <a href="https://www.adminer.org/en/donation/">donating</a>.'));
+	redirect(HOME_URL, lang('Logout successful.') . ' ' . lang('Thanks for using Adminer, consider <a href="https://www.adminer.org/en/donation/">donating</a>.'));
 
 } elseif ($permanent && !$_SESSION["pwds"]) {
 	session_regenerate_id();
diff --git a/adminer/include/bootstrap.inc.php b/adminer/include/bootstrap.inc.php
index 0ab1b465..abf82b84 100644
--- a/adminer/include/bootstrap.inc.php
+++ b/adminer/include/bootstrap.inc.php
@@ -113,6 +113,7 @@ define("ME", preg_replace('~\?.*~', '', relative_uri()) . '?'
 	. (isset($_GET["username"]) ? "username=" . urlencode($_GET["username"]) . '&' : '')
 	. (DB != "" ? 'db=' . urlencode(DB) . '&' . (isset($_GET["ns"]) ? "ns=" . urlencode($_GET["ns"]) . "&" : "") : '')
 );
+define("HOME_URL", substr(preg_replace('~\b(username|db|ns)=[^&]*&~', '', ME), 0, -1) ?: ".");
 
 include "../adminer/include/version.inc.php";
 include "../adminer/include/design.inc.php";
diff --git a/adminer/include/design.inc.php b/adminer/include/design.inc.php
index e1da132c..c8947293 100644
--- a/adminer/include/design.inc.php
+++ b/adminer/include/design.inc.php
@@ -62,8 +62,7 @@ function page_header($title, $error = "", $breadcrumb = [], $title2 = "") {
 	if ($breadcrumb !== null) {
 		echo '<p id="breadcrumb">';
 
-		$link = substr(preg_replace('~\b(username|db|ns)=[^&]*&~', '', ME), 0, -1);
-		echo '<a href="' . h($link ?: ".") . '">' . lang('Home') . '</a> » ';
+		echo '<a href="' . h(HOME_URL) . '">' . lang('Home') . '</a> » ';
 
 		$server = "";
 		if ($breadcrumb === false) {
diff --git a/editor/include/adminer.inc.php b/editor/include/adminer.inc.php
index 38562a3e..00efa002 100644
--- a/editor/include/adminer.inc.php
+++ b/editor/include/adminer.inc.php
@@ -6,7 +6,7 @@ class Adminer {
 	var $_values = array();
 
 	function name() {
-		return "<a href='https://www.adminer.org/editor/'" . target_blank() . " id='h1'>" . lang('Editor') . "</a>";
+		return "<a id='h1' href='" . h(HOME_URL) . "'>" . lang('Editor') . "</a>";
 	}
 
 	//! driver, ns