diff --git a/src/Library/DataLibrary.hpp b/src/Library/DataLibrary.hpp
index 7a0c5e2..0ddfde0 100644
--- a/src/Library/DataLibrary.hpp
+++ b/src/Library/DataLibrary.hpp
@@ -26,7 +26,7 @@ namespace CreatureLib::Library {
                     CreatureLib::Library::AttackLibrary* attacks, CreatureLib::Library::ItemLibrary* items,
                     CreatureLib::Library::GrowthRateLibrary* growthRates, TypeLibrary* typeLibrary);
 
-        ~DataLibrary() {
+        virtual ~DataLibrary() {
             delete _species;
             delete _attacks;
             delete _items;