1 files changed, 2 insertions, 2 deletions
diff --git a/src/corelib/kernel/qjniobject.h b/src/corelib/kernel/qjniobject.h
index 589f6489f7..707d1ae28a 100644
--- a/src/corelib/kernel/qjniobject.h
+++ b/src/corelib/kernel/qjniobject.h
@@ -670,7 +670,7 @@ inline bool operator!=(const QJniObject &obj1, const QJniObject &obj2)
 }
 
 namespace QtJniTypes {
-struct JObjectBase
+struct QT_TECH_PREVIEW_API JObjectBase
 {
     operator QJniObject() const { return m_object; }
 
@@ -695,7 +695,7 @@ protected:
 };
 
 template<typename Type>
-class JObject : public JObjectBase
+class QT_TECH_PREVIEW_API JObject : public JObjectBase
 {
 public:
     using Class = Type;