diff --git a/adminer/include/adminer.inc.php b/adminer/include/adminer.inc.php
index 47a5b457..add257d3 100644
--- a/adminer/include/adminer.inc.php
+++ b/adminer/include/adminer.inc.php
@@ -998,7 +998,7 @@ bodyLoad('<?php echo (is_object($connection) ? preg_replace('~^(\d\.?\d).*~s', '
 	function databasesPrint($missing) {
 		global $adminer, $connection;
 		$databases = $this->databases();
-		if ($databases && !in_array(DB, $databases)) {
+		if (DB && $databases && !in_array(DB, $databases)) {
 			array_unshift($databases, DB);
 		}
 		?>