diff --git a/autotests/proxymodeltestsuite/modeltest.h b/autotests/proxymodeltestsuite/modeltest.h
index 2a7c2dd..9f378e4 100644
--- a/autotests/proxymodeltestsuite/modeltest.h
+++ b/autotests/proxymodeltestsuite/modeltest.h
@@ -24,7 +24,9 @@
 #include <QtCore/QAbstractItemModel>
 #include <QtCore/QStack>
 
-class  ModelTest : public QObject
+#include "proxymodeltestsuite_export.h"
+
+class PROXYMODELTESTSUITE_EXPORT ModelTest : public QObject
 {
   Q_OBJECT