diff --git a/Userland/Libraries/LibWeb/Animations/AnimationEffect.h b/Userland/Libraries/LibWeb/Animations/AnimationEffect.h
index 6ed78b1ef4..c0931ae45a 100644
--- a/Userland/Libraries/LibWeb/Animations/AnimationEffect.h
+++ b/Userland/Libraries/LibWeb/Animations/AnimationEffect.h
@@ -132,6 +132,7 @@ public:
 
 protected:
     AnimationEffect(JS::Realm&);
+    virtual ~AnimationEffect() = default;
 
     virtual void initialize(JS::Realm&) override;