diff --git a/transmit.py b/transmit.py
index 1a83c193..d266b058 100644
--- a/transmit.py
+++ b/transmit.py
@@ -439,7 +439,7 @@ def update_doppler(fm="yes"):
 ##### write true freq here  ######	
 		print("writing actual tx and rx frequency to frequency.txt")	
  		with open("/home/pi/CubeSatSim/frequency.txt", "w") as file:
-      		file.write(f"{new_tx_frequency:.0f} {new_rx_frequency:.0f}")
+			file.write(f"{new_tx_frequency:.0f} {new_rx_frequency:.0f}")
 		
 		if (tx_doppler_freq_hz != new_tx_frequency) or (rx_doppler_freq_hz != new_rx_frequency):
 			tx_doppler_freq_hz = new_tx_frequency