diff --git a/src/ifcparse/IfcUtil.h b/src/ifcparse/IfcUtil.h
index 8144f2b2f3..437e20fdbd 100644
--- a/src/ifcparse/IfcUtil.h
+++ b/src/ifcparse/IfcUtil.h
@@ -130,7 +130,7 @@ public:
 	typename U::list::ptr as() {
 		typename U::list::ptr r(new typename U::list);
 		const bool all = U::Class() == IfcSchema::Type::ALL;
-		for ( it i = begin(); i != end(); ++ i ) if (all || (*i)->is(U::Class())) r->push(*i);
+		for ( it i = begin(); i != end(); ++ i ) if (all || (*i)->is(U::Class())) r->push((U*)*i);
 		return r;
 	}
 };