diff --git a/qrenderdoc/Widgets/CustomPaintWidget.cpp b/qrenderdoc/Widgets/CustomPaintWidget.cpp
index eb3a23872..7b28581cb 100644
--- a/qrenderdoc/Widgets/CustomPaintWidget.cpp
+++ b/qrenderdoc/Widgets/CustomPaintWidget.cpp
@@ -92,7 +92,13 @@ void CustomPaintWidget::paintEvent(QPaintEvent *e)
   if(m_Ctx)
   {
     if(m_Output != NULL)
-      m_Ctx->Replay().AsyncInvoke(m_Tag, [this](IReplayController *r) { m_Output->Display(); });
+    {
+      QPointer<CustomPaintWidget> me(this);
+      m_Ctx->Replay().AsyncInvoke(m_Tag, [me](IReplayController *r) {
+        if(me && me->m_Output)
+          me->m_Output->Display();
+      });
+    }
   }
   else if(m_Dark == m_Light)
   {