diff --git a/libmultipath/structs.h b/libmultipath/structs.h
index faa2b8f..c6fcb1f 100644
--- a/libmultipath/structs.h
+++ b/libmultipath/structs.h
@@ -97,6 +97,7 @@ struct path {
 	int dmstate;
 	int failcount;
 	int priority;
+	int prio_valid;
 	int pgindex;
 	char * getuid;
 	char * getprio;