diff --git a/custom_components/jq300/api.py b/custom_components/jq300/api.py
index e1ebc63..425c83c 100644
--- a/custom_components/jq300/api.py
+++ b/custom_components/jq300/api.py
@@ -457,7 +457,7 @@ def _extract_sensors_data(self, device_id, ts_now: int, sensors: dict):
         res = {}
         for sensor in sensors:
             sensor_id = sensor["seq"]
-            if sensor["content"] is None or (
+            if sensor["content"] is None or sensor["content"] == "" or (
                 sensor_id not in SENSORS and sensor_id not in BINARY_SENSORS
             ):
                 continue