diff --git a/homeassistant/components/xiaomi_miio/const.py b/homeassistant/components/xiaomi_miio/const.py
index 578a6d3ffab..69c279df493 100644
--- a/homeassistant/components/xiaomi_miio/const.py
+++ b/homeassistant/components/xiaomi_miio/const.py
@@ -198,12 +198,14 @@ MODELS_LIGHT = (
 
 # TODO: use const from pythonmiio once new release with the constant has been published. # pylint: disable=fixme
 ROCKROBO_S4 = "roborock.vacuum.s4"
+ROCKROBO_S4_MAX = "roborock.vacuum.a19"
 ROCKROBO_S5_MAX = "roborock.vacuum.s5e"
 ROCKROBO_E2 = "roborock.vacuum.e2"
 MODELS_VACUUM = [
     ROCKROBO_V1,
     ROCKROBO_E2,
     ROCKROBO_S4,
+    ROCKROBO_S4_MAX,
     ROCKROBO_S5,
     ROCKROBO_S5_MAX,
     ROCKROBO_S6,