diff --git a/include/mupdf/pdf/name-table.h b/include/mupdf/pdf/name-table.h
index 78a621b74c..475a6deea4 100644
--- a/include/mupdf/pdf/name-table.h
+++ b/include/mupdf/pdf/name-table.h
@@ -373,6 +373,7 @@ PDF_MAKE_NAME("N", N)
 PDF_MAKE_NAME("Name", Name)
 PDF_MAKE_NAME("Named", Named)
 PDF_MAKE_NAME("Names", Names)
+PDF_MAKE_NAME("NeedAppearances", NeedAppearances)
 PDF_MAKE_NAME("NewWindow", NewWindow)
 PDF_MAKE_NAME("Next", Next)
 PDF_MAKE_NAME("NextPage", NextPage)
diff --git a/source/pdf/pdf-appearance.c b/source/pdf/pdf-appearance.c
index 50ec40910d..80fafb8731 100644
--- a/source/pdf/pdf-appearance.c
+++ b/source/pdf/pdf-appearance.c
@@ -3699,6 +3699,13 @@ static void pdf_update_appearance(fz_context *ctx, pdf_annot *annot)
 				local_synthesis = 1;
 		}
 
+		/* Need to reconstruct appearance streams on all widgets if NeedAppearances is true */
+		if (subtype == PDF_NAME(Widget))
+		{
+			if (ap_n && pdf_to_bool(ctx, pdf_dict_getl(ctx, pdf_trailer(ctx, annot->page->doc), PDF_NAME(Root), PDF_NAME(AcroForm), PDF_NAME(NeedAppearances), NULL)))
+				local_synthesis = 1;
+		}
+
 		/* We need to put this appearance stream back into the document. */
 		needs_resynth = pdf_annot_needs_resynthesis(ctx, annot);
 		if (needs_resynth)