diff --git a/ApiClient.js b/ApiClient.js
index 25cbc98779..58f4421ca3 100644
--- a/ApiClient.js
+++ b/ApiClient.js
@@ -730,7 +730,7 @@ MediaBrowser.ApiClient = function ($, navigator, JSON, WebSocket, setTimeout, wi
         /**
          * Installs or updates a new plugin
          */
-        self.installPlugin = function (name, updateClass, version) {
+        self.installPlugin = function (name, guid, updateClass, version) {
 
             if (!name) {
                 throw new Error("null name");
@@ -741,7 +741,8 @@ MediaBrowser.ApiClient = function ($, navigator, JSON, WebSocket, setTimeout, wi
             }
 
             var options = {
-                updateClass: updateClass
+                updateClass: updateClass,
+                AssemblyGuid: guid
             };
 
             if (version) {
@@ -785,13 +786,17 @@ MediaBrowser.ApiClient = function ($, navigator, JSON, WebSocket, setTimeout, wi
         /**
          * Gets information about an installable package
          */
-        self.getPackageInfo = function (name) {
+        self.getPackageInfo = function (name, guid) {
 
             if (!name) {
                 throw new Error("null name");
             }
 
-            var url = self.getUrl("Packages/" + name);
+            var options = {
+                AssemblyGuid: guid
+            };
+
+            var url = self.getUrl("Packages/" + name, options);
 
             return self.ajax({
                 type: "GET",
diff --git a/dashboard-ui/scripts/addpluginpage.js b/dashboard-ui/scripts/addpluginpage.js
index 15367877b7..db1365f889 100644
--- a/dashboard-ui/scripts/addpluginpage.js
+++ b/dashboard-ui/scripts/addpluginpage.js
@@ -192,8 +192,9 @@
         Dashboard.showLoadingMsg();
 
         var name = getParameterByName('name');
+        var guid = getParameterByName('guid');
 
-        var promise1 = ApiClient.getPackageInfo(name);
+        var promise1 = ApiClient.getPackageInfo(name, guid);
         var promise2 = ApiClient.getInstalledPlugins();
         var promise3 = ApiClient.getPluginSecurityInfo();
 
@@ -205,9 +206,9 @@
 
     });
 
-    function performInstallation(packageName, updateClass, version) {
+    function performInstallation(packageName, guid, updateClass, version) {
 
-        ApiClient.installPlugin(packageName, updateClass, version).done(function () {
+        ApiClient.installPlugin(packageName, guid, updateClass, version).done(function () {
 
             Dashboard.hideLoadingMsg();
         });
@@ -226,6 +227,7 @@
             $('#btnInstall', page).button('disable');
 
             var name = getParameterByName('name');
+            var guid = getParameterByName('guid');
 
             ApiClient.getInstalledPlugins().done(function (plugins) {
 
@@ -246,14 +248,14 @@
                         if (confirmResult) {
 
                             Dashboard.showLoadingMsg();
-                            performInstallation(name, vals[1], version);
+                            performInstallation(name, guid, vals[1], version);
                         } else {
                             $('#btnInstall', page).button('enable');
                         }
 
                     });
                 } else {
-                    performInstallation(name, vals[1], version);
+                    performInstallation(name, guid, vals[1], version);
                 }
             });
 
diff --git a/dashboard-ui/scripts/dashboardpage.js b/dashboard-ui/scripts/dashboardpage.js
index ce0bc0b723..79780cf061 100644
--- a/dashboard-ui/scripts/dashboardpage.js
+++ b/dashboard-ui/scripts/dashboardpage.js
@@ -470,7 +470,7 @@
 
                 html += '<p><strong>A new version of ' + update.name + ' is available!</strong></p>';
 
-                html += '<button type="button" data-icon="download" data-theme="b" onclick="DashboardPage.installPluginUpdate(this);" data-name="' + update.name + '" data-version="' + update.versionStr + '" data-classification="' + update.classification + '">Update Now</button>';
+                html += '<button type="button" data-icon="download" data-theme="b" onclick="DashboardPage.installPluginUpdate(this);" data-name="' + update.name + '" data-guid="' + update.guid + '" data-version="' + update.versionStr + '" data-classification="' + update.classification + '">Update Now</button>';
             }
 
             elem.html(html).trigger('create');
@@ -487,12 +487,13 @@
         $(button).button('disable');
 
         var name = button.getAttribute('data-name');
+        var guid = button.getAttribute('data-guid');
         var version = button.getAttribute('data-version');
         var classification = button.getAttribute('data-classification');
 
         Dashboard.showLoadingMsg();
 
-        ApiClient.installPlugin(name, classification, version).done(function () {
+        ApiClient.installPlugin(name, guid, classification, version).done(function () {
 
             Dashboard.hideLoadingMsg();
         });
diff --git a/dashboard-ui/scripts/plugincatalogpage.js b/dashboard-ui/scripts/plugincatalogpage.js
index 91fc9dca0b..1f575b3704 100644
--- a/dashboard-ui/scripts/plugincatalogpage.js
+++ b/dashboard-ui/scripts/plugincatalogpage.js
@@ -76,7 +76,7 @@
                 currentCategory = category;
             }
 
-            var href = plugin.externalUrl ? plugin.externalUrl : "addPlugin.html?name=" + encodeURIComponent(plugin.name);
+            var href = plugin.externalUrl ? plugin.externalUrl : "addPlugin.html?name=" + encodeURIComponent(plugin.name) + "&guid=" + plugin.guid;
             var target = plugin.externalUrl ? ' target="_blank"' : '';
 
             html += "<a class='posterItem backdropPosterItem transparentPosterItem borderlessPosterItem' href='" + href + "' " + target + ">";