--- a/widget/windows/nsDataObj.cpp
+++ b/widget/windows/nsDataObj.cpp
@@ -1127,19 +1127,21 @@ HRESULT
 nsDataObj :: GetFileContentsInternetShortcut ( FORMATETC& aFE, STGMEDIUM& aSTG )
 {
   static const char * kShellIconPref = "browser.shell.shortcutFavicons";
   nsAutoString url;
   if ( NS_FAILED(ExtractShortcutURL(url)) )
     return E_OUTOFMEMORY;
 
   nsCOMPtr<nsIURI> aUri;
-  NS_NewURI(getter_AddRefs(aUri), url);
+  nsresult rv = NS_NewURI(getter_AddRefs(aUri), url);
+  if (NS_FAILED(rv)) {
+    return E_FAIL;
+  }
 
-  nsresult rv;
   nsAutoCString asciiUrl;
   rv = aUri->GetAsciiSpec(asciiUrl);
   if (NS_FAILED(rv)) {
     return E_FAIL;
   }
 
   const char *shortcutFormatStr;
   int totalLen;