diff --git a/qrenderdoc/Code/MiniQtHelper.h b/qrenderdoc/Code/MiniQtHelper.h
index 1877be88b..ca8e219b1 100644
--- a/qrenderdoc/Code/MiniQtHelper.h
+++ b/qrenderdoc/Code/MiniQtHelper.h
@@ -33,7 +33,7 @@ class MiniQtHelper : public IMiniQtHelper
 {
 public:
   MiniQtHelper(ICaptureContext &ctx);
-  ~MiniQtHelper();
+  virtual ~MiniQtHelper();
 
   QWidget *CreateToplevelWidget(const rdcstr &windowTitle) override;