diff --git a/squelch_cc.py b/squelch_cc.py
index bb9e2240..2297c811 100644
--- a/squelch_cc.py
+++ b/squelch_cc.py
@@ -2,6 +2,7 @@ import RPi.GPIO as GPIO
 from RPi.GPIO import output
 from time import sleep
 from os import system
+import sys
 
 def command_control_check():