diff --git a/dashboard-ui/scripts/mediaplayer.js b/dashboard-ui/scripts/mediaplayer.js
index 03824619e3..0f8ad00326 100644
--- a/dashboard-ui/scripts/mediaplayer.js
+++ b/dashboard-ui/scripts/mediaplayer.js
@@ -569,7 +569,7 @@
 
             // viblast can help us here
             //return true;
-            return window.MediaSource != null;
+            return window.MediaSource != null && !browserInfo.firefox;
         };
 
         self.changeStream = function (ticks, params) {
diff --git a/packages.config b/packages.config
index 24a8a5316e..128a2f1628 100644
--- a/packages.config
+++ b/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="CommonIO" version="1.0.0.5" targetFramework="net45" />
+  <package id="CommonIO" version="1.0.0.7" targetFramework="net45" />
   <package id="MediaBrowser.ApiClient.Javascript" version="3.0.249" targetFramework="net45" />
   <package id="Patterns.Logging" version="1.0.0.2" targetFramework="net45" />
   <package id="WebMarkupMin.Core" version="1.0.1" targetFramework="net45" />