diff --git a/core/core.pro b/core/core.pro
index 0dd72c2..bdd8b7e 100644
--- a/core/core.pro
+++ b/core/core.pro
@@ -81,7 +81,8 @@ HEADERS += core.h\
     samestringvalidator.h \
     savefilterdialog.h \
     filterdialog.h \
-    itablemodel.h
+    itablemodel.h \
+    data/core_global.h
 
 unix {
     target.path = /usr/lib
diff --git a/core/data/core_global.h b/core/data/core_global.h
new file mode 100644
index 0000000..b519481
--- /dev/null
+++ b/core/data/core_global.h
@@ -0,0 +1,12 @@
+#ifndef CORE_GLOBAL_H
+#define CORE_GLOBAL_H
+
+#include <QtCore/qglobal.h>
+
+#if defined(CORE_LIBRARY)
+#  define CORESHARED_EXPORT Q_DECL_EXPORT
+#else
+#  define CORESHARED_EXPORT Q_DECL_IMPORT
+#endif
+
+#endif // CORE_GLOBAL_H
diff --git a/core/data/permission.h b/core/data/permission.h
index c6dcfca..ba6b1c7 100644
--- a/core/data/permission.h
+++ b/core/data/permission.h
@@ -2,6 +2,7 @@
 #define PERMISSION_H
 
 #include "core-data.h"
+#include "core_global.h"
 
 #include <QObject>
 #include <QSharedPointer>
@@ -12,7 +13,7 @@
 #include <odb/qt/list.hxx>
 
 #pragma db object
-class Permission : public QObject
+class CORESHARED_EXPORT Permission : public QObject
 {
     Q_OBJECT
     Q_PROPERTY(QString pluginId READ pluginId WRITE setPluginId)
diff --git a/core/data/role.h b/core/data/role.h
index 44d1a38..3119f5f 100644
--- a/core/data/role.h
+++ b/core/data/role.h
@@ -2,6 +2,7 @@
 #define ROLE_H
 
 #include "core-data.h"
+#include "core_global.h"
 
 #include <QObject>
 #include <QSharedPointer>
@@ -12,7 +13,7 @@
 #include <odb/qt/list.hxx>
 
 #pragma db object
-class Role : public QObject
+class CORESHARED_EXPORT Role : public QObject
 {
     Q_OBJECT
     Q_PROPERTY(QString name READ name WRITE setName)
diff --git a/core/data/user.h b/core/data/user.h
index 0bce4d5..d7e8b85 100644
--- a/core/data/user.h
+++ b/core/data/user.h
@@ -2,6 +2,7 @@
 #define USER_H
 
 #include "core-data.h"
+#include "core_global.h"
 
 #include <QObject>
 #include <QString>
@@ -12,7 +13,7 @@
 #include <odb/qt/list.hxx>
 
 #pragma db object
-class User : public QObject
+class CORESHARED_EXPORT User : public QObject
 {
     Q_OBJECT
     Q_PROPERTY(QString login READ login WRITE setLogin)