diff --git a/sonoff/xsns_14_sht3x.ino b/sonoff/xsns_14_sht3x.ino
index 36f39fe7b..2eb3317de 100755
--- a/sonoff/xsns_14_sht3x.ino
+++ b/sonoff/xsns_14_sht3x.ino
@@ -71,7 +71,7 @@ bool Sht3xRead(float &t, float &h, uint8_t sht3x_address)
   };
   t = ConvertTemp((float)((((data[0] << 8) | data[1]) * 175) / 65535.0) - 45);
   h = ConvertHumidity((float)((((data[3] << 8) | data[4]) * 100) / 65535.0));  // Set global humidity
-  return (!isnan(t) && !isnan(h));
+  return (!isnan(t) && !isnan(h) && (h != 0));
 }
 
 /********************************************************************************************/