diff --git a/include/qpdf/QPDF.hh b/include/qpdf/QPDF.hh
index 286d305..6de51ef 100644
--- a/include/qpdf/QPDF.hh
+++ b/include/qpdf/QPDF.hh
@@ -1300,6 +1300,7 @@ class QPDF
     class Members
     {
         friend class QPDF;
+        friend class ResolveRecorder;
 
       public:
         QPDF_DLL