diff --git a/examples/widgets/popup_with_kv.py b/examples/widgets/popup_with_kv.py
index 6790cb0ae..71104bbc1 100644
--- a/examples/widgets/popup_with_kv.py
+++ b/examples/widgets/popup_with_kv.py
@@ -24,7 +24,7 @@ class CustomPopup(Popup):
 
 class TestApp(App):
     def build(self):
-        b = Button(on_press=self.show_popup)
+        b = Button(on_press=self.show_popup, text="Show Popup")
         return b
 
     def show_popup(self, b):