diff --git a/deleted.h b/deleted.h
index 783862bc05..a5996d1354 100644
--- a/deleted.h
+++ b/deleted.h
@@ -33,7 +33,7 @@ namespace Decoration
 class Renderer;
 }
 
-class Deleted
+class KWIN_EXPORT Deleted
     : public Toplevel
 {
     Q_OBJECT
@@ -119,4 +119,6 @@ inline void Deleted::refWindow()
 
 } // namespace
 
+Q_DECLARE_METATYPE(KWin::Deleted*)
+
 #endif