diff --git a/package.json b/package.json
index 3b2d46d7..1a94e911 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sharp",
-  "version": "0.0.7",
+  "version": "0.0.8",
   "author": "Lovell Fuller",
   "description": "High performance module to resize JPEG and PNG images using the libvips image processing library",
   "scripts": {
diff --git a/src/sharp.cc b/src/sharp.cc
index 693ea97b..68ec36a7 100755
--- a/src/sharp.cc
+++ b/src/sharp.cc
@@ -160,6 +160,7 @@ void ResizeAsync(uv_work_t *work) {
   } else {
     (baton->err).append("Unsupported output file type");
   }
+  vips_thread_shutdown();
 }
 
 void ResizeAsyncAfter(uv_work_t *work, int status) {
@@ -176,6 +177,7 @@ void ResizeAsyncAfter(uv_work_t *work, int status) {
     // Buffer
     Buffer *buffer = Buffer::New((const char*)(baton->buffer_out), baton->buffer_out_len);
     argv[1] = Local<Object>::New(buffer->handle_);
+    vips_free(baton->buffer_out);
   }
 
   baton->callback->Call(Context::GetCurrent()->Global(), 2, argv);
@@ -210,9 +212,15 @@ Handle<Value> Resize(const Arguments& args) {
   return Undefined();
 }
 
+static void at_exit(void* arg) {
+  HandleScope scope;
+  vips_shutdown();
+}
+
 extern "C" void init(Handle<Object> target) {
   HandleScope scope;
   vips_init("");
+  AtExit(at_exit);
   NODE_SET_METHOD(target, "resize", Resize);
 };
 
diff --git a/tests/perf.js b/tests/perf.js
index f3c9e078..7a51d84e 100755
--- a/tests/perf.js
+++ b/tests/perf.js
@@ -12,7 +12,7 @@ var outputJpgLength = 47035;
 
 var inputPng = __dirname + "/50020484-00001.png"; // http://c.searspartsdirect.com/lis_png/PLDM/50020484-00001.png
 var outputPng = __dirname + "/output.png";
-var outputPngLength = 60379;
+var outputPngLength = 60380;
 
 var width = 640;
 var height = 480;