--- a/xpfe/components/directory/nsDirectoryViewer.cpp
+++ b/xpfe/components/directory/nsDirectoryViewer.cpp
@@ -646,17 +646,17 @@ nsHTTPIndex::Init(nsIURI* aBaseURL)
 
 
 nsresult
 nsHTTPIndex::Create(nsIURI* aBaseURL, nsIInterfaceRequestor* aRequestor,
                     nsIHTTPIndex** aResult)
 {
   *aResult = nullptr;
 
-  nsHTTPIndex* result = new nsHTTPIndex(aRequestor);
+  auto* result = new nsHTTPIndex(aRequestor);
   nsresult rv = result->Init(aBaseURL);
   if (NS_SUCCEEDED(rv))
   {
     NS_ADDREF(result);
     *aResult = result;
   }
   else
   {