diff --git a/arduino/src/sketch.ino b/arduino/src/sketch.ino
index 13d14e0..3ba9f0b 100644
--- a/arduino/src/sketch.ino
+++ b/arduino/src/sketch.ino
@@ -71,7 +71,7 @@ void decodeMessage() {
   } else if(cmd == 90) {
 
     com = true;
-    setMode(0, pin);
+    setMode(OUTPUT, pin);
     digitalWrite(pin, HIGH);
     Serial.println("Ready!");