1 files changed, 1 insertions, 1 deletions

diff --git a/src/deep.h b/src/deep.h
index d919f64..8896698 100644
--- a/src/deep.h
+++ b/src/deep.h
@@ -44,7 +44,7 @@ class DeepFactory
     protected:
     // protected non-virtual destructor: Lanes won't manage the Factory's lifetime
     DeepFactory() = default;
-    ~DeepFactory() = default;
+    virtual ~DeepFactory() = default;
 
     public:
     // non-copyable, non-movable