diff --git a/mozilla/xpcom/build/nsXPComInit.cpp b/mozilla/xpcom/build/nsXPComInit.cpp
index 5980f2860d0..f86e4d93f6d 100644
--- a/mozilla/xpcom/build/nsXPComInit.cpp
+++ b/mozilla/xpcom/build/nsXPComInit.cpp
@@ -253,6 +253,10 @@ nsresult NS_InitXPCOM(nsIServiceManager* *result)
                                 NS_XPCOMPROXY_CLASSNAME,
                                 NS_XPCOMPROXY_PROGID,
                                 nsProxyObjectManager::Create);
+
+    // Prepopulate registry for performance
+    nsComponentManagerImpl::gComponentManager->PlatformPrePopulateRegistry();
+
     return rv;
 }