diff --git a/src/core/frontend/applets/mii_selector.h b/src/core/frontend/applets/mii_selector.h
index 588bc0c5b..ae63e359a 100644
--- a/src/core/frontend/applets/mii_selector.h
+++ b/src/core/frontend/applets/mii_selector.h
@@ -29,6 +29,7 @@ struct MiiSelectorData {
 
 class MiiSelector {
 public:
+    virtual ~MiiSelector() = default;
     virtual void Setup(const MiiSelectorConfig& config) {
         this->config = MiiSelectorConfig(config);
     }