diff --git a/apps/settings.c b/apps/settings.c
index 748d42799e..bb8a2c2122 100644
--- a/apps/settings.c
+++ b/apps/settings.c
@@ -32,6 +32,7 @@
 #include "mpeg.h"
 #include "talk.h"
 #include "string.h"
+#include "rtc.h"
 #include "ata_idle_notify.h"
 #include "atoi.h"
 #include "screens.h"