diff --git a/fpdfsdk/fpdf_annot.cpp b/fpdfsdk/fpdf_annot.cpp
index 08e9250..a676142 100644
--- a/fpdfsdk/fpdf_annot.cpp
+++ b/fpdfsdk/fpdf_annot.cpp
@@ -1707,7 +1707,7 @@
   // SAFETY: required from caller.
   return Utf16EncodeMaybeCopyAndReturnLength(
       pWidget->GetExportValue(),
-      UNSAFE_TODO(SpanFromFPDFApiArgs(buffer, buflen)));
+      UNSAFE_BUFFERS(SpanFromFPDFApiArgs(buffer, buflen)));
 }
 
 FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFAnnot_SetURI(FPDF_ANNOTATION annot,