diff --git a/hoot-core/src/main/cpp/hoot/core/visitors/MultiVisitor.h b/hoot-core/src/main/cpp/hoot/core/visitors/MultiVisitor.h
index b45e56d..ac9a353 100644
--- a/hoot-core/src/main/cpp/hoot/core/visitors/MultiVisitor.h
+++ b/hoot-core/src/main/cpp/hoot/core/visitors/MultiVisitor.h
@@ -40,7 +40,8 @@ public:
static std::string className() { return "hoot::MultiVisitor"; }
- MultiVisitor();
+ MultiVisitor() = default;
+ virtual ~MultiVisitor() = default;
virtual void visit(const std::shared_ptr<Element>& e);