diff --git a/main.h b/main.h
index ba7b3368..080382f2 100644
--- a/main.h
+++ b/main.h
@@ -125,6 +125,7 @@ FILE *image_file;
 #define TXCOMMAND 12
 
 #define FAIL_COUNT 10
+#define FAIL_NONE 0
 #define FAIL_SOLAR 1
 #define FAIL_DEGRADE 2
 #define FAIL_SHORT 3