1 files changed, 2 insertions, 1 deletions
diff --git a/fpdfsdk/formfiller/cffl_combobox.h b/fpdfsdk/formfiller/cffl_combobox.h
index 4ec5a9ec0c..66cd55c3e6 100644
--- a/fpdfsdk/formfiller/cffl_combobox.h
+++ b/fpdfsdk/formfiller/cffl_combobox.h
@@ -30,7 +30,8 @@ class CFFL_ComboBox final : public CFFL_TextObject,
   // CFFL_TextObject:
   CPWL_Wnd::CreateParams GetCreateParam() override;
   std::unique_ptr<CPWL_Wnd> NewPDFWindow(
-      const CPWL_Wnd::CreateParams& cp) override;
+      const CPWL_Wnd::CreateParams& cp,
+      std::unique_ptr<CPWL_Wnd::PrivateData> pAttachedData) override;
   bool OnChar(CPDFSDK_Annot* pAnnot, uint32_t nChar, uint32_t nFlags) override;
   bool IsDataChanged(CPDFSDK_PageView* pPageView) override;
   void SaveData(CPDFSDK_PageView* pPageView) override;