diff --git a/include/libflashprog.h b/include/libflashprog.h
index 40050e3..a2ea63c 100644
--- a/include/libflashprog.h
+++ b/include/libflashprog.h
@@ -65,6 +65,7 @@
 	FLASHPROG_FLAG_FORCE_BOARDMISMATCH,
 	FLASHPROG_FLAG_VERIFY_AFTER_WRITE,
 	FLASHPROG_FLAG_VERIFY_WHOLE_CHIP,
+	FLASHPROG_FLAG_NON_VOLATILE_WRSR,
 };
 void flashprog_flag_set(struct flashprog_flashctx *, enum flashprog_flag, bool value);
 bool flashprog_flag_get(const struct flashprog_flashctx *, enum flashprog_flag);