diff --git a/src/corelib/io/qfsfileengine_p.h b/src/corelib/io/qfsfileengine_p.h
index 5d5a29243ec..3963a9cb11b 100644
--- a/src/corelib/io/qfsfileengine_p.h
+++ b/src/corelib/io/qfsfileengine_p.h
@@ -61,7 +61,7 @@ QT_BEGIN_NAMESPACE
 
 class QFSFileEnginePrivate;
 
-class Q_AUTOTEST_EXPORT QFSFileEngine : public QAbstractFileEngine
+class Q_CORE_EXPORT QFSFileEngine : public QAbstractFileEngine
 {
     Q_DECLARE_PRIVATE(QFSFileEngine)
 public: