diff --git a/util/options/build_opt_tbl.c b/util/options/build_opt_tbl.c
index 396cb8a6a3..a72aea43b0 100644
--- a/util/options/build_opt_tbl.c
+++ b/util/options/build_opt_tbl.c
@@ -10,6 +10,7 @@
 #define u16 uint16_t
 #define u8 uint8_t
 
+#define STANDALONE
 #include <mc146818rtc.h>
 #include <tables.h>