diff --git a/lib_source/include/ribbonconfig.h b/lib_source/include/ribbonconfig.h
index 9a46dee..40a7fb3 100644
--- a/lib_source/include/ribbonconfig.h
+++ b/lib_source/include/ribbonconfig.h
@@ -3,9 +3,10 @@
 
 #include <QVariant>
 #include <QSettings>
+#include "definitions.h"
 #include "ribbonsingleton.h"
 
-class RibbonConfig : public QObject
+class RIBBONUI_API RibbonConfig : public QObject
 {
     Q_OBJECT
     QML_ELEMENT
diff --git a/lib_source/include/ribbonlocalization.h b/lib_source/include/ribbonlocalization.h
index d850890..be10d26 100644
--- a/lib_source/include/ribbonlocalization.h
+++ b/lib_source/include/ribbonlocalization.h
@@ -6,7 +6,7 @@
 #include "ribbonsingleton.h"
 #include "definitions.h"
 
-class RibbonLocalization : public QObject
+class RIBBONUI_API RibbonLocalization : public QObject
 {
     Q_OBJECT
     QML_ELEMENT