diff --git a/adminer/drivers/pgsql.inc.php b/adminer/drivers/pgsql.inc.php
index aaba89d2..7df77016 100644
--- a/adminer/drivers/pgsql.inc.php
+++ b/adminer/drivers/pgsql.inc.php
@@ -50,10 +50,6 @@ if (isset($_GET["pgsql"])) {
 				return ($field["type"] == "bytea" && $val !== null ? pg_unescape_bytea($val) : $val);
 			}
 
-			function quoteBinary($string) {
-				return "'" . pg_escape_bytea($this->link, $string) . "'";
-			}
-
 			function select_db($database) {
 				global $adminer;
 				if ($database == $adminer->database()) {
@@ -173,10 +169,6 @@ if (isset($_GET["pgsql"])) {
 				return ($adminer->database() == $database);
 			}
 
-			function quoteBinary($s) {
-				return q($s);
-			}
-
 			function query($query, $unbuffered = false) {
 				$return = parent::query($query, $unbuffered);
 				if ($this->timeout) {
@@ -283,7 +275,7 @@ if (isset($_GET["pgsql"])) {
 		}
 
 		function quoteBinary($s) {
-			return $this->conn->quoteBinary($s);
+			return "'\\x" . bin2hex($s) . "'"; // available since PostgreSQL 8.1
 		}
 
 		function warnings() {
diff --git a/changes.txt b/changes.txt
index f2f52eea..bbb347ef 100644
--- a/changes.txt
+++ b/changes.txt
@@ -1,5 +1,6 @@
 Adminer dev:
 MySQL: Display default values of binary columns
+PostgreSQL PDO: Escape bytea values (bug #218)
 
 Adminer 5.0.4 (released 2025-03-11):
 Compile: Fix shortening in private methods (regression from 5.0.3)