diff --git a/src/worker/async_proxy.js b/src/worker/async_proxy.js
index 6d08b07a..2a9b6699 100644
--- a/src/worker/async_proxy.js
+++ b/src/worker/async_proxy.js
@@ -54,6 +54,7 @@ function AsyncProxy(path, options) {
   this.seedRandom(INITIAL_RANDOM_SEED);
   // FIFO
   this.tasks = [];
+  this.worker.postMessage({event: 'configure', config: config});
 }
 
 /**
diff --git a/src/worker/worker.js b/src/worker/worker.js
index 5959ec23..2b20f0e9 100644
--- a/src/worker/worker.js
+++ b/src/worker/worker.js
@@ -53,6 +53,11 @@ self.onmessage = function (event) {
       correct = false;
 
   switch (msg.event) {
+    case 'configure':
+      for(var i in msg.config){
+        window.openpgp.config[i] = msg.config[i];
+      }
+    break;
     case 'seed-random':
       if (!(msg.buf instanceof Uint8Array)) {
         msg.buf = new Uint8Array(msg.buf);
diff --git a/test/worker/api.js b/test/worker/api.js
index 1fea6b07..424c3b6d 100644
--- a/test/worker/api.js
+++ b/test/worker/api.js
@@ -200,8 +200,21 @@ describe('High level API', function() {
     initKeys();
   });
 
-  describe('Encryption', function() {
+  describe('Main', function(){
+    it('Configuration', function(done){
+      openpgp.config.show_comment = false;
+      openpgp.config.show_version = false;
+      openpgp.initWorker('../dist/openpgp.worker.js');
+      openpgp.encryptMessage([pubKeyRSA], plaintext).then(function(data) {
+        expect(data).to.exist;
+        expect(data).not.to.match(/^Version:/);
+        expect(data).not.to.match(/^Comment:/);
+        done();
+      });
+    });
+  });
 
+  describe('Encryption', function() {
     it('RSA: encryptMessage async', function (done) {
       openpgp.encryptMessage([pubKeyRSA], plaintext).then(function(data) {
         expect(data).to.exist;