diff --git a/contrib/mtree/mtree.8 b/contrib/mtree/mtree.8
index 830a2c037d3..53bb21f711b 100644
--- a/contrib/mtree/mtree.8
+++ b/contrib/mtree/mtree.8
@@ -748,6 +748,7 @@ seconds.nanoseconds without zero padding nanosecond values less than
 .Xr fnmatch 3 ,
 .Xr fts 3 ,
 .Xr strsvis 3 ,
+.Xr mtree 5 ,
 .Xr chown 8 ,
 .Xr mknod 8
 .Sh HISTORY