diff --git a/mozilla/embedding/components/find/src/nsWebBrowserFind.cpp b/mozilla/embedding/components/find/src/nsWebBrowserFind.cpp
index c85ea2d7079..7c9d91ca2d5 100644
--- a/mozilla/embedding/components/find/src/nsWebBrowserFind.cpp
+++ b/mozilla/embedding/components/find/src/nsWebBrowserFind.cpp
@@ -109,7 +109,8 @@ NS_IMETHODIMP nsWebBrowserFind::FindNext(PRBool *outDidFind)
           do_CreateInstance(NS_SUPPORTS_PRBOOL_CONTRACTID, &rv);
         NS_ENSURE_SUCCESS(rv, rv);
         didExecute->SetData(PR_FALSE);
-        observerService->NotifyObservers(didExecute, "nsWebBrowserFind_FindAgain", mFindBackwards? NS_L("up"): NS_L("down"));
+        observerService->NotifyObservers(didExecute, "nsWebBrowserFind_FindAgain", mFindBackwards? NS_LITERAL_STRING("up").get()
+                                                                                                 : NS_LITERAL_STRING("down").get());
         didExecute->GetData(outDidFind);
         if (*outDidFind)
             return NS_OK;