diff --git a/src/translators/xsltimporter.cpp b/src/translators/xsltimporter.cpp
index 65f22e2..d547931 100644
--- a/src/translators/xsltimporter.cpp
+++ b/src/translators/xsltimporter.cpp
@@ -33,7 +33,7 @@ namespace {
 
 static bool isUTF8(const KURL& url_) {
   // read first line to check encoding
-  std::auto_ptr<Tellico::FileHandler::FileRef> ref(Tellico::FileHandler::fileRef(url_));
+  std::unique_ptr<Tellico::FileHandler::FileRef> ref(Tellico::FileHandler::fileRef(url_));
   if(!ref->isValid()) {
     return false;
   }