diff --git a/script.py b/script.py
index 64e1061..d8ece0c 100644
--- a/script.py
+++ b/script.py
@@ -64,6 +64,7 @@ else:
     since_last_boot = False
     device_info = False
     ip_address = False
+    time_since_last_boot = False
 
 
 dpkg_date = now.strftime("%Y-%m-%d")