diff --git a/flash.h b/flash.h
--- a/flash.h
+++ b/flash.h
@@ -7,7 +7,8 @@
 #define END_ADDR 0x08007FFF
 
 void flash_save(therm_settings_t* tosave);
-void flash_restore(therm_settings_t *tosave);
+void flash_restore(therm_settings_t* tosave);
+void flash_load_defaults(therm_settings_t* torestore);
 void flash_erase(void);
 
 #endif