diff --git a/homeassistant/components/miele/sensor.py b/homeassistant/components/miele/sensor.py
index efdcded1aad7..1f4c9f3b2f12 100644
--- a/homeassistant/components/miele/sensor.py
+++ b/homeassistant/components/miele/sensor.py
@@ -61,8 +61,10 @@ PLATE_COUNT = {
     "KM7678": 6,
     "KM7697": 6,
     "KM7699": 5,
+    "KM7740": 5,
     "KM7878": 6,
     "KM7897": 6,
+    "KM7899": 5,
     "KMDA7633": 5,
     "KMDA7634": 5,
     "KMDA7774": 5,