diff --git a/sys/sys/tree.h b/sys/sys/tree.h
index 695a065..3fbabff 100644
--- a/sys/sys/tree.h
+++ b/sys/sys/tree.h
@@ -306,6 +306,7 @@ struct name##_scan_info {						\
 }
 
 #define RB_HEAD(name, type)						\
+RB_SCAN_INFO(name, type)						\
 struct name {								\
 	struct type *rbh_root; 		     /* root of the tree */	\
 	struct name##_scan_info *rbh_inprog; /* scans in progress */	\
@@ -417,8 +418,7 @@ STORQUAL int name##_RB_SCAN(struct name *, int (*)(struct type *, void *),\
 			int (*)(struct type *, void *), void *);	\
 STORQUAL struct type *name##_RB_NEXT(struct type *);			\
 STORQUAL struct type *name##_RB_PREV(struct type *);			\
-STORQUAL struct type *name##_RB_MINMAX(struct name *, int);		\
-RB_SCAN_INFO(name, type)						\
+STORQUAL struct type *name##_RB_MINMAX(struct name *, int);
 
 /*
  * A version which supplies a fast lookup routine for an exact match