diff --git a/src/corelib/kernel/qeventloop_p.h b/src/corelib/kernel/qeventloop_p.h
index cb00fba41fc..1461188e9fd 100644
--- a/src/corelib/kernel/qeventloop_p.h
+++ b/src/corelib/kernel/qeventloop_p.h
@@ -20,7 +20,7 @@
 
 QT_BEGIN_NAMESPACE
 
-class QEventLoopPrivate : public QObjectPrivate
+class Q_AUTOTEST_EXPORT QEventLoopPrivate : public QObjectPrivate
 {
     Q_DECLARE_PUBLIC(QEventLoop)
 public: