diff --git a/lib/Database.php b/lib/Database.php
index ae175d7..2cb5514 100644
--- a/lib/Database.php
+++ b/lib/Database.php
@@ -475,7 +475,8 @@ class Database {
                 join arsse_feeds on feed = arsse_feeds.id
                 left join topmost on folder=f_id"
         );
-        $q->setOrder("pinned desc, coalesce(arsse_subscriptions.title, arsse_feeds.title) collate nocase");
+        $nocase = $this->db->sqlToken("nocase");
+        $q->setOrder("pinned desc, coalesce(arsse_subscriptions.title, arsse_feeds.title) collate $nocase");
         // define common table expressions
         $q->setCTE("userdata(userid)", "SELECT ?", "str", $user);  // the subject user; this way we only have to pass it to prepare() once
         // topmost folders belonging to the user
diff --git a/lib/Db/PostgreSQL/Driver.php b/lib/Db/PostgreSQL/Driver.php
index e681f72..89e7a7c 100644
--- a/lib/Db/PostgreSQL/Driver.php
+++ b/lib/Db/PostgreSQL/Driver.php
@@ -113,7 +113,12 @@ class Driver extends \JKingWeb\Arsse\Db\AbstractDriver {
     }
 
     public function sqlToken(string $token): string {
-        return $token;
+        switch (strtolower($token)) {
+            case "nocase":
+                return '"und-x-icu"';
+            default:
+                return $token;
+        }
     }
 
     public function savepointCreate(bool $lock = false): int {
diff --git a/sql/PostgreSQL/2.sql b/sql/PostgreSQL/2.sql
index d37fcb5..847edb7 100644
--- a/sql/PostgreSQL/2.sql
+++ b/sql/PostgreSQL/2.sql
@@ -4,19 +4,13 @@
 
 -- Please consult the SQLite 3 schemata for commented version
 
--- create a case-insensitive generic Unicode collation sequence
-create collation nocase(
-    provider = icu,
-    locale = '@kf=false'
-);
-
-alter table arsse_users alter column id type text collate nocase;
-alter table arsse_folders alter column name type text collate nocase;
-alter table arsse_feeds alter column title type text collate nocase;
-alter table arsse_subscriptions alter column title type text collate nocase;
-alter table arsse_articles alter column title type text collate nocase;
-alter table arsse_articles alter column author type text collate nocase;
-alter table arsse_categories alter column name type text collate nocase;
-alter table arsse_labels alter column name type text collate nocase;
+alter table arsse_users alter column id type text collate "und-x-icu";
+alter table arsse_folders alter column name type text collate "und-x-icu";
+alter table arsse_feeds alter column title type text collate "und-x-icu";
+alter table arsse_subscriptions alter column title type text collate "und-x-icu";
+alter table arsse_articles alter column title type text collate "und-x-icu";
+alter table arsse_articles alter column author type text collate "und-x-icu";
+alter table arsse_categories alter column name type text collate "und-x-icu";
+alter table arsse_labels alter column name type text collate "und-x-icu";
 
 update arsse_meta set value = '3' where key = 'schema_version';