diff --git a/README.md b/README.md
index f855067..fdb8c78 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,6 @@ Szkielet komponentu Joomla 6 do gromadzenia pytań testowych.
 
 ## Instalacja
 
-W Joomla wybierz **System → Install → Install from Folder** i wskaż ten katalog. Manifestem instalacyjnym jest `com_testquestions.xml` (wersja 1.34.0).
+W Joomla wybierz **System → Install → Install from Folder** i wskaż ten katalog. Manifestem instalacyjnym jest `com_testquestions.xml` (wersja 1.35.0).
 
 Po instalacji komponent jest dostępny w panelu administratora jako **Pytania testowe**.
diff --git a/administrator/components/com_testquestions/sql/updates/mysql/1.35.0.sql b/administrator/components/com_testquestions/sql/updates/mysql/1.35.0.sql
new file mode 100644
index 0000000..fa08ae1
--- /dev/null
+++ b/administrator/components/com_testquestions/sql/updates/mysql/1.35.0.sql
@@ -0,0 +1 @@
+-- No database changes required for version 1.35.0.
diff --git a/administrator/components/com_testquestions/src/Model/SetsModel.php b/administrator/components/com_testquestions/src/Model/SetsModel.php
index 9bc2da6..3d20d8d 100644
--- a/administrator/components/com_testquestions/src/Model/SetsModel.php
+++ b/administrator/components/com_testquestions/src/Model/SetsModel.php
@@ -26,6 +26,7 @@ class SetsModel extends ListModel
             ->leftJoin($db->quoteName('#__testquestions_subjects', 'sub') . ' ON sub.id = s.subject_id')
             ->leftJoin($db->quoteName('#__testquestions_sets', 'p') . ' ON p.id = s.parent_id')
             ->leftJoin($db->quoteName('#__testquestions_set_questions', 'sq') . ' ON sq.set_id = s.id')
+            ->where('s.parent_id = 0')
             ->group('s.id');
 
         $search = trim((string) $this->getState('filter.search'));
diff --git a/com_testquestions.xml b/com_testquestions.xml
index 45ba0db..995ee2c 100644
--- a/com_testquestions.xml
+++ b/com_testquestions.xml
@@ -4,7 +4,7 @@
     <creationDate>2026-10-14</creationDate>
     <author>Komponent</author>
     <license>GNU General Public License version 2 or later</license>
-    <version>1.34.0</version>
+    <version>1.35.0</version>
     <description>COM_TESTQUESTIONS_DESCRIPTION</description>
     <element>com_testquestions</element>
     <namespace path="src">Komponent\Component\Testquestions</namespace>