diff --git a/test/test-fs.c b/test/test-fs.c
index 7bc00651..f9fa20ef 100644
--- a/test/test-fs.c
+++ b/test/test-fs.c
@@ -1573,7 +1573,7 @@ TEST_IMPL(fs_fstat_stdio) {
     switch (ft) {
     case UV_TTY:
     case UV_NAMED_PIPE:
-      ASSERT(st->st_mode == ft == UV_TTY ? S_IFCHR : S_IFIFO);
+      ASSERT(st->st_mode == (ft == UV_TTY ? S_IFCHR : S_IFIFO));
       ASSERT(st->st_nlink == 1);
       ASSERT(st->st_rdev == (ft == UV_TTY ? FILE_DEVICE_CONSOLE : FILE_DEVICE_NAMED_PIPE) << 16);
       break;