diff --git a/homeassistant/components/roomba/irobot_base.py b/homeassistant/components/roomba/irobot_base.py
index ffa4e2d8292..13e78ced379 100644
--- a/homeassistant/components/roomba/irobot_base.py
+++ b/homeassistant/components/roomba/irobot_base.py
@@ -119,7 +119,7 @@ class IRobotEntity(Entity):
     @property
     def battery_stats(self):
         """Return the battery stats."""
-        return self.vacuum_state.get("bbchg3")
+        return self.vacuum_state.get("bbchg3", {})
 
     @property
     def _robot_state(self):