diff --git a/phpBB/phpbb/db/driver/postgres.php b/phpBB/phpbb/db/driver/postgres.php
index ed330bc540..1a276638d4 100644
--- a/phpBB/phpbb/db/driver/postgres.php
+++ b/phpBB/phpbb/db/driver/postgres.php
@@ -37,7 +37,7 @@ class postgres extends \phpbb\db\driver\driver
 
 		if ($sqlpassword)
 		{
-			$connect_string .= "password=$sqlpassword ";
+			$connect_string .= "password='$sqlpassword' ";
 		}
 
 		if ($sqlserver)