diff --git a/gtk.yml b/gtk.yml
index b97cf5934..7c2b5f9a6 100644
--- a/gtk.yml
+++ b/gtk.yml
@@ -1,6 +1,7 @@
 include:
   - src/includes/about_dialog.cr
   - src/includes/builder.cr
+  - src/includes/list_store.cr
   - src/includes/message_dialog.cr
   - src/includes/tree_view.cr
 
diff --git a/src/includes/list_store.cr b/src/includes/list_store.cr
new file mode 100644
index 000000000..f546a78ed
--- /dev/null
+++ b/src/includes/list_store.cr
@@ -0,0 +1,16 @@
+module Gtk
+  class ListStore
+    def append(columns : Enumerable(Int32), values : Enumerable) : TreeIter
+      iter = append
+      set(iter, columns, values)
+      iter
+    end
+
+    def set(row : Int32, columns : Enumerable(Int32), values : Enumerable) : TreeIter
+      tree_path = Gtk::TreePath.new_from_indices({row})
+      iter = iter(tree_path)
+      set(iter, columns, values)
+      iter
+    end
+  end
+end