diff --git a/lib/GuestbookNg/Model/Message.pm b/lib/GuestbookNg/Model/Message.pm
index c30e87f..1bc6a59 100644
--- a/lib/GuestbookNg/Model/Message.pm
+++ b/lib/GuestbookNg/Model/Message.pm
@@ -24,7 +24,7 @@ sub get_posts($self) {
 }
 
 sub create_post($self, $name, $message) {
-    $self->pg-db->query(<<~'END_SQL', $name, $message)
+    $self->pg->db->query(<<~'END_SQL', $name, $message)
         INSERT INTO messages (message_date, visitor_name, message)
         VALUES (NOW(), ?, ?);
        END_SQL