diff --git a/AUTHORS.md b/AUTHORS.md
index 7ac9408e1..c2e1232af 100644
--- a/AUTHORS.md
+++ b/AUTHORS.md
@@ -1,7 +1,7 @@
 # Authors
 * [Bernhard Posselt](mailto:dev@bernhard-posselt.com)
-* [Alessandro Cosentino](mailto:cosenal@gmail.com)
 * [Benjamin Brahmer](mailto:info@b-brahmer.de)
+* [Alessandro Cosentino](mailto:cosenal@gmail.com)
 * [Marco Nassabain](mailto:marco.nassabain@hotmail.com)
 * [Robin Appelman](mailto:icewind@owncloud.com)
 * [Sean Molenaar](mailto:sean@seanmolenaar.eu)
@@ -9,10 +9,10 @@
 * [Sean Molenaar](mailto:SMillerDev@users.noreply.github.com)
 * [anoy](mailto:anoymouserver+github@mailbox.org)
 * [Morris Jobke](mailto:hey@morrisjobke.de)
+* [Paul Tirk](mailto:paultirk@paultirk.com)
 * [Jimmy Huynh](mailto:jimmy.huynh@etu.unistra.fr)
 * [Aurélien](mailto:dav.aurelien@gmail.com)
 * [Jan-Christoph Borchardt](mailto:hey@jancborchardt.net)
-* [Paul Tirk](mailto:paultirk@paultirk.com)
 * [Daniel Schaal](mailto:daniel@schaal.email)
 * [Davide Saurino](mailto:davide.saurino@alcacoop.it)
 * [raghunayyar](mailto:me@iraghu.com)
@@ -71,11 +71,14 @@
 * [Valdnet](mailto:47037905+Valdnet@users.noreply.github.com)
 * [bbBowser](mailto:carspi@mail.de)
 * [benediktb](mailto:benedikt@blablub.de)
+* [chylex](mailto:contact@chylex.com)
 * [coderkun](mailto:olli@coderkun.de)
 * [davidak](mailto:git@davidak.de)
 * [hooger](mailto:horvathg.1988@gmail.com)
 * [lsmooth](mailto:ls@lsmooth.de)
 * [s17t.net](mailto:mail+github@s17t.net)
+* [Accalia](mailto:Accalia@Elementia.me)
+* [Accalia Elementia](mailto:accalia@elementia.me)
 * [Alec Kojaev](mailto:alec@kojaev.name)
 * [Alessandro](mailto:cosenal@gmail.com)
 * [Alexander Grüßung](mailto:alexander@gruessung-online.de)
@@ -89,6 +92,7 @@
 * [Aurelien DAVID](mailto:dav.aurelien@gmail.com)
 * [Benedikt Geißler](mailto:benedikt@g5r.eu)
 * [Bernhard Posselt](mailto:bernhard@desktop.localdomain)
+* [Björn Bidar](mailto:bjorn.bidar@thaodan.de)
 * [Candid Dauth](mailto:cdauth@cdauth.eu)
 * [Carlos Silva](mailto:r3pek@r3pek.org)
 * [Cesar Enrique Garcia Dabo](mailto:enrique@engarda.org)
@@ -175,6 +179,7 @@
 * [markusj](mailto:markusj@users.noreply.github.com)
 * [mnassabain](mailto:34754819+mnassabain@users.noreply.github.com)
 * [mormegil](mailto:mormegil@centrum.cz)
+* [nextcloud486153](mailto:78801830+nextcloud486153@users.noreply.github.com)
 * [nexus-uw](mailto:you@example.com)
 * [repat](mailto:repat@repat.de)
 * [ritchiewilson](mailto:rawilson52@gmail.com)
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1d8121ab9..a18c58725 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ The format is mostly based on [Keep a Changelog](https://keepachangelog.com/en/1
 ### Changed
 
 ### Fixed
+- Fix export of unread and starred articles failing due to postgres error (#1839, #1249)
 
 # Releases
 ## [18.1.0] - 2022-06-10
diff --git a/lib/Db/ItemMapperV2.php b/lib/Db/ItemMapperV2.php
index 8a92354d8..1e206f846 100644
--- a/lib/Db/ItemMapperV2.php
+++ b/lib/Db/ItemMapperV2.php
@@ -62,7 +62,18 @@ class ItemMapperV2 extends NewsMapperV2
                 ->setParameter('user_id', $userId, IQueryBuilder::PARAM_STR);
 
         foreach ($params as $key => $value) {
-            $builder->andWhere("$key = " . $builder->createNamedParameter($value));
+            switch (gettype($value)) {
+                case 'boolean':
+                    $type = IQueryBuilder::PARAM_BOOL;
+                    break;
+                case 'integer':
+                    $type = IQueryBuilder::PARAM_INT;
+                    break;
+                default:
+                    $type = IQueryBuilder::PARAM_STR;
+                    break;
+            }
+            $builder->andWhere("$key = " . $builder->createNamedParameter($value, $type));
         }
 
         return $this->findEntities($builder);