diff --git a/adminer/include/pdo.inc.php b/adminer/include/pdo.inc.php
index 4d710e277..67217d653 100644
--- a/adminer/include/pdo.inc.php
+++ b/adminer/include/pdo.inc.php
@@ -24,6 +24,10 @@ function dsn($dsn, $username, $password, $options = array()) {
 		
 		/*abstract function select_db($database);*/
 		
+		function quote($string) {
+			return $this->pdo->quote($string);
+		}
+		
 		function query($query, $unbuffered = false) {
 			$result = $this->pdo->query($query);
 			$this->error = "";