diff --git a/src/syscall/fs_js.go b/src/syscall/fs_js.go
index 7ef3cdee14a8b6..7f089bb6b0b39a 100644
--- a/src/syscall/fs_js.go
+++ b/src/syscall/fs_js.go
@@ -98,8 +98,6 @@ func Open(path string, openmode int, perm uint32) (int, error) {
 	if openmode&O_DIRECTORY != 0 {
 		if nodeDIRECTORY != -1 {
 			flags |= nodeDIRECTORY
-		} else {
-			return 0, errors.New("syscall.Open: O_DIRECTORY is not supported on Windows")
 		}
 	}