diff --git a/kivy/factory_registers.py b/kivy/factory_registers.py
index 3a3c3b528..68af9c6bf 100644
--- a/kivy/factory_registers.py
+++ b/kivy/factory_registers.py
@@ -76,6 +76,7 @@ r('GridLayout', module='kivy.uix.gridlayout')
 r('Accordion', module='kivy.uix.accordion')
 r('AccordionItem', module='kivy.uix.accordion')
 r('Button', module='kivy.uix.button')
+r('Bubble', module='kivy.uix.bubble')
 r('Camera', module='kivy.uix.camera')
 r('FloatLayout', module='kivy.uix.floatlayout')
 r('FileChooserListView', module='kivy.uix.filechooser')