diff --git a/src/include/bootmode.h b/src/include/bootmode.h
index bec2d80..323668b 100644
--- a/src/include/bootmode.h
+++ b/src/include/bootmode.h
@@ -22,6 +22,7 @@
 
 /* functions implemented per mainboard: */
 void init_bootmode_straps(void);
+int get_write_protect_state(void);
 int get_developer_mode_switch(void);
 int get_recovery_mode_switch(void);