diff --git a/main.h b/main.h
index 0f0a1f6b..d7adf62e 100644
--- a/main.h
+++ b/main.h
@@ -227,6 +227,7 @@ int pi_zero_2_offset = 0;
 
 
 int hab_mode = FALSE; 
+int fail_rnd_mode = FALSE;
 int battery_saver_mode = FALSE;
 long int loopTime;