diff --git a/examples/demo/kivycatalog/kivycatalog.kv b/examples/demo/kivycatalog/kivycatalog.kv
index 929d26b3d..b13e96a44 100644
--- a/examples/demo/kivycatalog/kivycatalog.kv
+++ b/examples/demo/kivycatalog/kivycatalog.kv
@@ -7,6 +7,14 @@
     on_press: root.parent.parent.parent.show_kv(*args)
     state: ctx.state if hasattr(ctx, "state") else "normal"
 
+<Container>:
+	canvas.before:
+		Color:
+			rgb: 0, 0, 0
+		Rectangle:
+			pos: self.pos
+			size: self.size
+
 <Catalog>:
     language_box: language_box
     screen_manager: screen_manager
diff --git a/examples/demo/kivycatalog/main.py b/examples/demo/kivycatalog/main.py
index b667f79af..ca554fbb3 100644
--- a/examples/demo/kivycatalog/main.py
+++ b/examples/demo/kivycatalog/main.py
@@ -115,8 +115,7 @@ class Catalog(BoxLayout):
 
             self.screen_manager.current = object.text
 
-        with open(self.screen_manager.current_screen.content.children[
-                    0].kv_file) as file:
+        with open(self.screen_manager.current_screen.children[0].kv_file) as file:
             self.language_box.text = file.read()
         # reset undo/redo history
         self.language_box.reset_undo()
@@ -132,7 +131,7 @@ class Catalog(BoxLayout):
         on the kv file the user entered. If there is an error in their kv
         syntax, show a nice popup.'''
 
-        kv_container = self.screen_manager.current_screen.content.children[0]
+        kv_container = self.screen_manager.current_screen.children[0]
         try:
             parser = Parser(content=self.language_box.text.encode('utf8'))
             kv_container.clear_widgets()