diff --git a/adminer/user.inc.php b/adminer/user.inc.php
index d6a5bc97..bb1f73de 100644
--- a/adminer/user.inc.php
+++ b/adminer/user.inc.php
@@ -113,7 +113,7 @@ if ($_POST) {
 	if ($old_pass != "") {
 		$row["hashed"] = true;
 	}
-	$grants[(DB != "" && !isset($_GET["host"]) ? idf_escape(addcslashes(DB, "%_")) : "") . ".*"] = array();
+	$grants[(DB == "" || $grants ? "" : idf_escape(addcslashes(DB, "%_"))) . ".*"] = array();
 }
 
 ?>