fix deprecation warning

1 files changed, 1 insertions, 2 deletions

diff --git a/perf/benchmark.js b/perf/benchmark.js
index 42f400a..393464f 100755
--- a/perf/benchmark.js
+++ b/perf/benchmark.js
@@ -213,8 +213,7 @@ function cloneVersion(tag, callback) {
     fs.open(versionDir + "/package.json", "r", function (err, handle) {
         if (!err) {
             // version has already been cloned
-            fs.close(handle);
-            return callback();
+            return fs.close(handle, callback);
         }
 
         var repoPath = path.join(__dirname, "..");