diff --git a/backend/umax_pp_low.h b/backend/umax_pp_low.h
index a6a82de10..52f330646 100644
--- a/backend/umax_pp_low.h
+++ b/backend/umax_pp_low.h
@@ -62,6 +62,8 @@ extern int sanei_umax_pp_EndSession (void);
 extern int sanei_umax_pp_InitCancel (void);
 extern int sanei_umax_pp_Cancel (void);
 extern int sanei_umax_pp_CheckModel (void);
+extern int sanei_umax_pp_getauto (void);
+extern void sanei_umax_pp_setauto (int mode);
 
 #ifndef __GLOBALES__