diff --git a/src/layview/layview/gsiDeclLayLayoutView_qt.cc b/src/layview/layview/gsiDeclLayLayoutView_qt.cc
index aac221373..4a86add4b 100644
--- a/src/layview/layview/gsiDeclLayLayoutView_qt.cc
+++ b/src/layview/layview/gsiDeclLayLayoutView_qt.cc
@@ -55,7 +55,7 @@ static lay::LayoutView *new_view2 (bool editable, db::Manager *manager, unsigned
   return new lay::LayoutView (manager, editable, 0 /*plugin parent*/, 0 /*parent*/, "view", options);
 }
 
-extern Class<lay::LayoutViewBase> decl_LayoutViewBase;
+extern LAYBASIC_PUBLIC Class<lay::LayoutViewBase> decl_LayoutViewBase;
 
 Class<lay::LayoutView> decl_LayoutView (decl_LayoutViewBase, "lay", "LayoutView",
 #if defined(HAVE_QTBINDINGS)