diff --git a/package.json b/package.json
index d60d298..bd2b3c9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "heapdump",
-  "version": "0.3.12",
+  "version": "0.3.13",
   "description": "Make a dump of the V8 heap for later inspection.",
   "homepage": "https://github.com/bnoordhuis/node-heapdump",
   "author": {
diff --git a/src/heapdump.cc b/src/heapdump.cc
index 426d19f..096d644 100644
--- a/src/heapdump.cc
+++ b/src/heapdump.cc
@@ -123,12 +123,8 @@ NAN_MODULE_INIT(Initialize) {
   Nan::Set(target,
            Nan::New("kSignalFlag").ToLocalChecked(),
            Nan::New(kSignalFlag));
-  Nan::Set(target,
-           Nan::New("configure").ToLocalChecked(),
-           Nan::New<v8::FunctionTemplate>(Configure)->GetFunction());
-  Nan::Set(target,
-           Nan::New("writeSnapshot").ToLocalChecked(),
-           Nan::New<v8::FunctionTemplate>(WriteSnapshot)->GetFunction());
+  Nan::SetMethod(target, "configure", Configure);
+  Nan::SetMethod(target, "writeSnapshot", WriteSnapshot);
 }
 
 NODE_MODULE(addon, Initialize)