diff --git a/arduino/arduino.ino b/arduino/arduino.ino
index 43d7fd8..09f1a8e 100644
--- a/arduino/arduino.ino
+++ b/arduino/arduino.ino
@@ -8,7 +8,7 @@ SoftwareSerial mySerial(rxPin, txPin);
 
 // DHT sensor
 #define DHTPIN 9
-#define DHTTYPE DHT11
+#define DHTTYPE DHT22
 DHT dht(DHTPIN, DHTTYPE);
 
 void setup() {