diff --git a/src/unix/dune b/src/unix/dune
index cafe5a43..9e7fe97d 100644
--- a/src/unix/dune
+++ b/src/unix/dune
@@ -1,4 +1,5 @@
 (library
  (public_name luv_unix)
- (libraries luv luv.c unix)
- (foreign_stubs (language c) (names luv_unix)))
+ (libraries luv luv.c result unix)
+ (foreign_stubs (language c) (names luv_unix))
+ (flags (:standard -w -49 -open Result)))