diff --git a/include/chipdrivers/probing.h b/include/chipdrivers/probing.h
index 8aaf8ed..561d6ef 100644
--- a/include/chipdrivers/probing.h
+++ b/include/chipdrivers/probing.h
@@ -72,6 +72,7 @@
 struct master_common;
 
 struct bus_probe {
+	unsigned int priority;
 	enum id_type type;
 	struct found_id *(*run)(const struct bus_probe *, const struct master_common *);
 	void *arg;