diff --git a/ext/rating/main.php b/ext/rating/main.php
index e15fcd16..eba2c262 100644
--- a/ext/rating/main.php
+++ b/ext/rating/main.php
@@ -37,7 +37,7 @@ class RatingSetEvent extends Event
 
 class Ratings extends Extension
 {
-    protected $db_support = ['mysql'];  // ?
+    protected $db_support = ['mysql','pgsql'];  // ?
 
     public function get_priority(): int
     {