diff --git a/lib/libc/sys/write.2 b/lib/libc/sys/write.2
index 299dacd0a02..206476931dc 100644
--- a/lib/libc/sys/write.2
+++ b/lib/libc/sys/write.2
@@ -207,7 +207,7 @@ The
 .Fa iovcnt
 argument
 was less than or equal to 0, or greater than
-.Dv UIO_MAXIOV .
+.Dv IOV_MAX .
 .It Bq Er EINVAL
 One of the
 .Fa iov_len