diff --git a/static/js/directives/audiovideo.js b/static/js/directives/audiovideo.js
index 933ce8d5..85b0f619 100644
--- a/static/js/directives/audiovideo.js
+++ b/static/js/directives/audiovideo.js
@@ -22,7 +22,7 @@
 "use strict";
 define(['jquery', 'underscore', 'text!partials/audiovideo.html', 'text!partials/audiovideopeer.html', 'bigscreen', 'webrtc.adapter'], function($, _, template, templatePeer, BigScreen) {
 
-	return ["$window", "$compile", "$filter", "mediaStream", "safeApply", "desktopNotify", "buddyData", "videoWaiter", "videoLayout", "animationFrame", "$timeout", function($window, $compile, $filter, mediaStream, safeApply, desktopNotify, buddyData, videoWaiter, videoLayout, animationFrame, $timeout) {
+	return ["$window", "$compile", "$filter", "mediaStream", "safeApply", "desktopNotify", "buddyData", "videoWaiter", "videoLayout", "animationFrame", "$timeout", "dummyStream", function($window, $compile, $filter, mediaStream, safeApply, desktopNotify, buddyData, videoWaiter, videoLayout, animationFrame, $timeout, DummyStream) {
 
 		var peerTemplate = $compile(templatePeer);
 
@@ -37,14 +37,6 @@ define(['jquery', 'underscore', 'text!partials/audiovideo.html', 'text!partials/
 				return id;
 			};
 
-			// Dummy stream.
-			var DummyStream = function() {};
-			DummyStream.prototype.id = "defaultDummyStream";
-			DummyStream.prototype.stop = function() {};
-			DummyStream.is = function(stream) {
-				return stream && stream.stop === DummyStream.prototype.stop;
-			};
-
 			$scope.container = $element[0];
 			$scope.layoutparent = $element.parent();
 
diff --git a/static/js/mediastream/dummystream.js b/static/js/mediastream/dummystream.js
new file mode 100644
index 00000000..a2593330
--- /dev/null
+++ b/static/js/mediastream/dummystream.js
@@ -0,0 +1,42 @@
+/*
+ * Spreed WebRTC.
+ * Copyright (C) 2013-2015 struktur AG
+ *
+ * This file is part of Spreed WebRTC.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+"use strict";
+define([], function() {
+
+	// Dummy stream implementation.
+	var DummyStream = function(id) {
+		this.id = id ? id : "defaultDummyStream";
+	};
+	DummyStream.prototype.stop = function() {};
+	DummyStream.prototype.getAudioTracks = function() { return [] };
+	DummyStream.prototype.getVideoTracks = function() { return [] };
+	DummyStream.not = function(stream) {
+		// Helper to test if stream is a dummy.
+		return !stream || stream.stop !== DummyStream.prototype.stop;
+	};
+	DummyStream.is = function(stream) {
+		return !this.not(stream);
+	};
+
+	return DummyStream;
+
+});
\ No newline at end of file
diff --git a/static/js/mediastream/usermedia.js b/static/js/mediastream/usermedia.js
index ad6f87c1..2c9b1795 100644
--- a/static/js/mediastream/usermedia.js
+++ b/static/js/mediastream/usermedia.js
@@ -20,7 +20,7 @@
  */
 
 "use strict";
-define(['jquery', 'underscore', 'audiocontext', 'webrtc.adapter'], function($, _, AudioContext) {
+define(['jquery', 'underscore', 'audiocontext', 'mediastream/dummystream', 'webrtc.adapter'], function($, _, AudioContext, DummyStream) {
 
 	// Create AudioContext singleton, if supported.
 	var context = AudioContext ? new AudioContext() : null;
@@ -119,16 +119,6 @@ define(['jquery', 'underscore', 'audiocontext', 'webrtc.adapter'], function($, _
 		}
 	})();
 
-	// Create a dummy stream.
-	var DummyStream = function() {};
-	DummyStream.prototype.stop = function() {};
-	DummyStream.prototype.getAudioTracks = function() { return [] };
-	DummyStream.prototype.getVideoTracks = function() { return [] };
-	DummyStream.not = function(stream) {
-		// Helper to test if stream is a dummy.
-		return !stream || stream.stop !== DummyStream.prototype.stop;
-	};
-
 	// UserMedia.
 	var UserMedia = function(options) {
 
diff --git a/static/js/services/dummystream.js b/static/js/services/dummystream.js
new file mode 100644
index 00000000..29fa5f75
--- /dev/null
+++ b/static/js/services/dummystream.js
@@ -0,0 +1,29 @@
+/*
+ * Spreed WebRTC.
+ * Copyright (C) 2013-2015 struktur AG
+ *
+ * This file is part of Spreed WebRTC.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+"use strict";
+define([
+	'mediastream/dummystream'
+], function(DummyStream) {
+	return [function() {
+		return DummyStream;
+	}];
+});
diff --git a/static/js/services/services.js b/static/js/services/services.js
index 8e7dc20f..198b92ee 100644
--- a/static/js/services/services.js
+++ b/static/js/services/services.js
@@ -68,7 +68,8 @@ define([
 	'services/constraints',
 	'services/modules',
 	'services/mediadevices',
-	'services/sandbox'], function(_,
+	'services/sandbox',
+	'services/dummystream'], function(_,
 desktopNotify,
 playSound,
 safeApply,
@@ -114,7 +115,8 @@ roompin,
 constraints,
 modules,
 mediaDevices,
-sandbox) {
+sandbox,
+dummyStream) {
 
 	var services = {
 		desktopNotify: desktopNotify,
@@ -162,7 +164,8 @@ sandbox) {
 		constraints: constraints,
 		modules: modules,
 		mediaDevices: mediaDevices,
-		sandbox: sandbox
+		sandbox: sandbox,
+		dummyStream: dummyStream
 	};
 
 	var initialize = function(angModule) {