diff --git a/src/plugins/debugger/debuggermainwindow.h b/src/plugins/debugger/debuggermainwindow.h
index 6f6a63eb171..5fe6c86c2fb 100644
--- a/src/plugins/debugger/debuggermainwindow.h
+++ b/src/plugins/debugger/debuggermainwindow.h
@@ -135,6 +135,6 @@ private:
     QHash<QByteArray, Perspective> m_perspectiveForPerspectiveId;
 };
 
-QWidget *createModeWindow(const Core::Id &mode, DebuggerMainWindow *mainWindow, QWidget *central);
+DEBUGGER_EXPORT QWidget *createModeWindow(const Core::Id &mode, DebuggerMainWindow *mainWindow, QWidget *central);
 
 } // Utils