diff --git a/chrome/content/zotero/xpcom/zotero.js b/chrome/content/zotero/xpcom/zotero.js
index 1f388974d5..4a30f991af 100644
--- a/chrome/content/zotero/xpcom/zotero.js
+++ b/chrome/content/zotero/xpcom/zotero.js
@@ -1342,7 +1342,6 @@ Services.scriptloader.loadSubScript("resource://zotero/polyfill.js");
 		var addons = [];
 		for (let addon of installed) {
 			switch (addon.id) {
-				case "zotero@chnm.gmu.edu":
 				case "{972ce4c6-7e08-4474-a285-3208198ce6fd}": // Default theme
 					continue;
 			}
diff --git a/chrome/locale/en-US/zotero/zotero.properties b/chrome/locale/en-US/zotero/zotero.properties
index 82b8d48dfc..0efd483365 100644
--- a/chrome/locale/en-US/zotero/zotero.properties
+++ b/chrome/locale/en-US/zotero/zotero.properties
@@ -1,5 +1,3 @@
-extensions.zotero@chnm.gmu.edu.description	= The Next-Generation Research Tool
-
 general.success						= Success
 general.error						= Error
 general.warning						= Warning
diff --git a/components/zotero-service.js b/components/zotero-service.js
index 7c80c526cf..640f252cd6 100644
--- a/components/zotero-service.js
+++ b/components/zotero-service.js
@@ -458,10 +458,7 @@ var _isStandalone = null;
  * Determine whether Zotero Standalone is running
  */
 function isStandalone() {
-	if(_isStandalone === null) {
-		_isStandalone = Services.appinfo.ID === 'zotero@chnm.gmu.edu';
-	}
-	return _isStandalone;
+	return true;
 }
 
 function getOS() {
diff --git a/defaults/preferences/zotero.js b/defaults/preferences/zotero.js
index a5b4954316..834c2069e3 100644
--- a/defaults/preferences/zotero.js
+++ b/defaults/preferences/zotero.js
@@ -4,7 +4,6 @@
 // http://www.zotero.org/documentation/hidden_prefs
 
 pref("extensions.zotero.firstRun2", true);
-pref("extensions.zotero@chnm.gmu.edu.description", "chrome://zotero/locale/zotero.properties");
 
 pref("extensions.zotero.saveRelativeAttachmentPath", false);
 pref("extensions.zotero.baseAttachmentPath", "");
diff --git a/resource/config.js b/resource/config.js
index f1c19c08e7..452fe1870b 100644
--- a/resource/config.js
+++ b/resource/config.js
@@ -1,5 +1,5 @@
 var ZOTERO_CONFIG = {
-	GUID: 'zotero@chnm.gmu.edu',
+	GUID: 'zotero@zotero.org',
 	ID: 'zotero', // used for db filename, etc.
 	CLIENT_NAME: 'Zotero',
 	DOMAIN_NAME: 'zotero.org',