diff --git a/STEMMA_IR_LED_Emitter/code.py b/STEMMA_IR_LED_Emitter/code.py
index 599daab27..e3e3a491a 100644
--- a/STEMMA_IR_LED_Emitter/code.py
+++ b/STEMMA_IR_LED_Emitter/code.py
@@ -11,7 +11,7 @@ import adafruit_irremote
 pulseout = pulseio.PulseOut(board.D5, frequency=38000, duty_cycle=2**15)
 # Create an encoder that will take numbers and turn them into NEC IR pulses
 emitter = adafruit_irremote.GenericTransmit(
-    header=[9500, 4500], one=[550, 550], zero=[550, 1700], trail=0
+    header=[9500, 4500], one=[550, 1700], zero=[550, 550], trail=0
 )
 
 #  count variable