diff --git a/qaesencryption.h b/qaesencryption.h
index e19f862..935c615 100644
--- a/qaesencryption.h
+++ b/qaesencryption.h
@@ -10,7 +10,7 @@
 #endif
 #endif
 
-class Q_DECL_EXPORT QAESEncryption : public QObject
+class Qt_SECRETSHARED_EXPORT QAESEncryption : public QObject
 {
     Q_OBJECT
 public:
diff --git a/qtsecret_global.h b/qtsecret_global.h
new file mode 100644
index 0000000..1893b41
--- /dev/null
+++ b/qtsecret_global.h
@@ -0,0 +1,12 @@
+#ifndef QTSECRET_GLOBAL_H
+#define QTSECRET_GLOBAL_H
+
+#include <QtCore/qglobal.h>
+
+#if defined(Qt_SECRET_LIBRARY)
+#  define Qt_SECRETSHARED_EXPORT Q_DECL_EXPORT
+#else
+#  define Qt_SECRETSHARED_EXPORT Q_DECL_IMPORT
+#endif
+
+#endif // QTSECRET_GLOBAL_H