diff --git a/lib/configuration.js b/lib/configuration.js
index b507121..c0f3f08 100644
--- a/lib/configuration.js
+++ b/lib/configuration.js
@@ -20,6 +20,7 @@ var Configuration = {
     apiKey: process.env.BUGSNAG_API_KEY,
     releaseStage: process.env.NODE_ENV || "production",
     appVersion: null,
+    appType: null,
     metaData: {},
     logger: new Logger(),
     sendCode: true,
@@ -56,6 +57,7 @@ var Configuration = {
         }
         Configuration.releaseStage = options.releaseStage || Configuration.releaseStage;
         Configuration.appVersion = options.appVersion || Configuration.appVersion;
+        Configuration.appType = options.appType || Configuration.appType;
         Configuration.autoNotifyUncaught = options.autoNotify != null ? options.autoNotify : Configuration.autoNotifyUncaught;
         Configuration.autoNotifyUnhandledRejection = options.autoNotifyUnhandledRejection === false ? false : (options.autoNotify != null ? options.autoNotify : Configuration.autoNotifyUnhandledRejection);
         Configuration.useSSL = options.useSSL != null ? options.useSSL : Configuration.useSSL;
diff --git a/lib/notification.js b/lib/notification.js
index 1e4579e..a343e33 100644
--- a/lib/notification.js
+++ b/lib/notification.js
@@ -54,6 +54,11 @@ function Notification(bugsnagErrors, options, handledState) {
         event.app.version = Configuration.appVersion;
     }
 
+    if (Configuration.appType) {
+        if (!event.app) event.app = {};
+        event.app.type = Configuration.appType;
+    }
+
     if (Configuration.releaseStage) {
         if (!event.app) event.app = {};
         event.app.releaseStage = Configuration.releaseStage;
diff --git a/scratch/express.js b/scratch/express.js
new file mode 100644
index 0000000..a33af31
--- /dev/null
+++ b/scratch/express.js
@@ -0,0 +1,12 @@
+var bugsnag = require('../').register('ababababababa')
+var app = require('express')()
+
+app.use(bugsnag.requestHandler)
+app.get('/', () => {
+  setTimeout(() => { throw new Error('flop') }, 0)
+})
+app.use(bugsnag.errorHandler)
+app.use((err, req, res, next) => {
+})
+
+app.listen(3010)
diff --git a/scratch/sig.js b/scratch/sig.js
new file mode 100644
index 0000000..d2989fb
--- /dev/null
+++ b/scratch/sig.js
@@ -0,0 +1,7 @@
+var bugsnag = require('../').register('ababababababa', {
+  notifyReleaseStages: ['1'],
+  releaseStage: 'prod'
+})
+
+//process.on('SIGKILL', function () { console.log('SIGKILL') })
+throw new Error('flop')
diff --git a/test/notification.js b/test/notification.js
index 0b8690c..ff73abf 100644
--- a/test/notification.js
+++ b/test/notification.js
@@ -217,6 +217,16 @@ describe("Notification", function() {
         });
     });
 
+    describe("appType", function() {
+        it("should send an appType when configured on Bugsnag", function() {
+            Bugsnag.configure({
+                appType: "worker"
+            });
+            Bugsnag.notify("This is the message");
+            deliverStub.firstCall.thisValue.events[0].app.type.should.equal("worker");
+        });
+    });
+
     describe("releaseStage", function() {
         it("shouldnt send a notification when releaseStage isnt configured in notifyReleaseStages", function() {
             Bugsnag.configure({