diff --git a/seminar/admin.py b/seminar/admin.py
index edfbb595..268bdbba 100644
--- a/seminar/admin.py
+++ b/seminar/admin.py
@@ -106,6 +106,8 @@ class TreeNodeAdmin(PolymorphicParentModelAdmin):
 		m.PohadkaNode,
 		m.UlohaVzorakNode,
 		m.TextNode,
+		m.CastNode,
+		m.OrgTextNode,
 		]
 
 	actions = ['aktualizuj_nazvy']
@@ -159,6 +161,16 @@ class TextNodeAdmin(PolymorphicChildModelAdmin):
 	base_model = m.TextNode
 	show_in_index = True
 
+@admin.register(m.CastNode)
+class TextNodeAdmin(PolymorphicChildModelAdmin):
+	base_model = m.CastNode
+	show_in_index = True
+
+@admin.register(m.OrgTextNode)
+class TextNodeAdmin(PolymorphicChildModelAdmin):
+	base_model = m.OrgTextNode
+	show_in_index = True
+
 
 admin.site.register(m.Nastaveni)
 admin.site.register(m.Novinky)