diff --git a/main.h b/main.h
index d7adf62e..0f990ea5 100644
--- a/main.h
+++ b/main.h
@@ -230,6 +230,7 @@ int hab_mode = FALSE;
 int fail_rnd_mode = FALSE;
 int battery_saver_mode = FALSE;
 long int loopTime;
+long int failTime = 0;
 
 int error_count = 0;
 int groundCommandCount = 0;