diff --git a/apps/openmw/mwbase/dialoguemanager.hpp b/apps/openmw/mwbase/dialoguemanager.hpp
index a9afae786..7bace3790 100644
--- a/apps/openmw/mwbase/dialoguemanager.hpp
+++ b/apps/openmw/mwbase/dialoguemanager.hpp
@@ -39,6 +39,7 @@ namespace MWBase
             class ResponseCallback
             {
             public:
+                virtual ~ResponseCallback() = default;
                 virtual void addResponse(const std::string& title, const std::string& text) = 0;
             };
 
diff --git a/components/sceneutil/controller.hpp b/components/sceneutil/controller.hpp
index 775cb23b0..d02b65cf1 100644
--- a/components/sceneutil/controller.hpp
+++ b/components/sceneutil/controller.hpp
@@ -25,6 +25,8 @@ namespace SceneUtil
     class ControllerFunction
     {
     public:
+        virtual ~ControllerFunction() = default;
+
         virtual float calculate(float input) const = 0;
 
         /// Get the "stop time" of the controller function, typically the maximum of the calculate() function.