diff --git a/miio/integrations/zhimi/humidifier/airhumidifier_miot_ca6.py b/miio/integrations/zhimi/humidifier/airhumidifier_miot_ca6.py
index 25022e192..44f5735b2 100644
--- a/miio/integrations/zhimi/humidifier/airhumidifier_miot_ca6.py
+++ b/miio/integrations/zhimi/humidifier/airhumidifier_miot_ca6.py
@@ -143,7 +143,7 @@ def water_level(self) -> Optional[int]:
         0 - empty/min,  1 - normal, 2 - full/max
         """
         water_level = self.data["water_level"]
-        return {0: "0", 1: "50", 2: "100"}.get(water_level)
+        return {0: 0, 1: 50, 2: 100}.get(water_level)
 
     @property
     def dry(self) -> Optional[bool]: