diff --git a/deps/uvwasi/uvwasi.gyp b/deps/uvwasi/uvwasi.gyp
index 229dc9f41f8de8..4dfe3c46d51818 100644
--- a/deps/uvwasi/uvwasi.gyp
+++ b/deps/uvwasi/uvwasi.gyp
@@ -5,6 +5,7 @@
       'src/fd_table.c',
       'src/path_resolver.c',
       'src/poll_oneoff.c',
+      'src/sync_helpers.c',
       'src/uv_mapping.c',
       'src/uvwasi.c',
       'src/wasi_rights.c',
diff --git a/test/wasi/c/sock.c b/test/wasi/c/sock.c
index de4a3ccc5f95a6..d11e86c805784d 100644
--- a/test/wasi/c/sock.c
+++ b/test/wasi/c/sock.c
@@ -9,9 +9,9 @@ int main(void) {
   int fd = 0 ;
   socklen_t addrlen = 0;
   int flags = 0;
-  int ret = accept(0, NULL, &addrlen);
+  int ret = accept(10, NULL, &addrlen);
   assert(ret == -1);
-  assert(errno == ENOTSUP);
+  assert(errno == EBADF);
 
   return 0;
 }
diff --git a/test/wasi/wasm/sock.wasm b/test/wasi/wasm/sock.wasm
index 78e7b8e430f911..9fdba111a23ca2 100755
Binary files a/test/wasi/wasm/sock.wasm and b/test/wasi/wasm/sock.wasm differ