--- a/docshell/base/nsAboutRedirector.cpp
+++ b/docshell/base/nsAboutRedirector.cpp
@@ -83,16 +83,18 @@ static RedirEntry kRedirMap[] = {
     { "licence", "chrome://global/content/license.html",
       nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT },
     { "neterror", "chrome://global/content/netError.xhtml",
       nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
       nsIAboutModule::ALLOW_SCRIPT |
       nsIAboutModule::HIDE_FROM_ABOUTABOUT },
     { "memory", "chrome://global/content/aboutMemory.xhtml",
       nsIAboutModule::ALLOW_SCRIPT },
+    { "addons", "chrome://mozapps/content/extensions/extensions.xul",
+      nsIAboutModule::ALLOW_SCRIPT },
     { "support", "chrome://global/content/aboutSupport.xhtml",
       nsIAboutModule::ALLOW_SCRIPT }
 };
 static const int kRedirTotal = NS_ARRAY_LENGTH(kRedirMap);
 
 NS_IMETHODIMP
 nsAboutRedirector::NewChannel(nsIURI *aURI, nsIChannel **result)
 {

--- a/docshell/build/nsDocShellModule.cpp
+++ b/docshell/build/nsDocShellModule.cpp
@@ -209,16 +209,21 @@ static const nsModuleComponentInfo gDocS
       NS_ABOUT_MODULE_CONTRACTID_PREFIX "neterror",
       nsAboutRedirector::Create
     },
     { "about:memory",
       NS_ABOUT_REDIRECTOR_MODULE_CID,
       NS_ABOUT_MODULE_CONTRACTID_PREFIX "memory",
       nsAboutRedirector::Create
     },
+    { "about:addons",
+      NS_ABOUT_REDIRECTOR_MODULE_CID,
+      NS_ABOUT_MODULE_CONTRACTID_PREFIX "addons",
+      nsAboutRedirector::Create
+    },
     { "about:support",
       NS_ABOUT_REDIRECTOR_MODULE_CID,
       NS_ABOUT_MODULE_CONTRACTID_PREFIX "support",
       nsAboutRedirector::Create
     },
 
     // uriloader
   { "Netscape URI Loader Service", NS_URI_LOADER_CID, NS_URI_LOADER_CONTRACTID, nsURILoaderConstructor, },