diff --git a/adminer/drivers/pgsql.inc.php b/adminer/drivers/pgsql.inc.php
index 577afd4f..82196927 100644
--- a/adminer/drivers/pgsql.inc.php
+++ b/adminer/drivers/pgsql.inc.php
@@ -150,8 +150,7 @@ if (isset($_GET["pgsql"])) {
 			function connect($server, $username, $password) {
 				global $adminer;
 				$db = $adminer->database();
-				$string = "pgsql:host='" . str_replace(":", "' port='", addcslashes($server, "'\\")) . "' options='-c client_encoding=utf8'";
-				$this->dsn("$string dbname='" . ($db != "" ? addcslashes($db, "'\\") : "postgres") . "'", $username, $password);
+				$this->dsn("pgsql:host='" . str_replace(":", "' port='", addcslashes($server, "'\\")) . "' client_encoding=utf8 dbname='" . ($db != "" ? addcslashes($db, "'\\") : "postgres") . "'", $username, $password); //! client_encoding is supported since 9.1 but we can't yet use min_version here
 				//! connect without DB in case of an error
 				return true;
 			}
diff --git a/changes.txt b/changes.txt
index bd22131b..a731bc3c 100644
--- a/changes.txt
+++ b/changes.txt
@@ -6,6 +6,7 @@ PostgreSQL: Export all FKs after all CREATE TABLE (PR #351)
 PostgreSQL: Fix dollar-quoted syntax highlighting (bug #738)
 PostgreSQL: Do not show view definition from other schema (PR #392)
 PostgreSQL: Use bigserial for bigint auto increment (bug #765, regression from 3.0.0)
+PostgreSQL PDO: Support PgBouncer, unsupport PostgreSQL < 9.1 (bug #771)
 PostgreSQL 10: Support GENERATED ALWAYS BY IDENTITY (PR #386)
 MS SQL: Don't truncate comments to 30 chars (PR #376)
 Editor: Cast to string when searching (bug #325)