diff --git a/Code/Wrappers/QtWidget/otbWrapperQtWidgetModel.h b/Code/Wrappers/QtWidget/otbWrapperQtWidgetModel.h
index 31f6474f8fc137ec57b92b1af3c66c8685393b19..54efc5045199826a9f3ab3f0d9bff4804b5f0455 100644
--- a/Code/Wrappers/QtWidget/otbWrapperQtWidgetModel.h
+++ b/Code/Wrappers/QtWidget/otbWrapperQtWidgetModel.h
@@ -76,7 +76,7 @@ private:
 /** \class
  * \brief
  */
-class QtWidgetModel : public QObject
+class ITK_ABI_EXPORT QtWidgetModel : public QObject
 {
   Q_OBJECT
 public: