diff --git a/groundstation/program_fm.py b/groundstation/program_fm.py
index 232a59ca..759b11bd 100644
--- a/groundstation/program_fm.py
+++ b/groundstation/program_fm.py
@@ -1,6 +1,7 @@
 import serial	
 from os import system
 import sys
+from time import sleep
 
 if __name__ == "__main__":
 	txf = 434.9