diff --git a/src/core/xref.js b/src/core/xref.js
index 4954a14b4..adcadde48 100644
--- a/src/core/xref.js
+++ b/src/core/xref.js
@@ -214,7 +214,7 @@ class XRef {
     let dict = parser.getObj();
 
     // The pdflib PDF generator can generate a nested trailer dictionary
-    if (!(dict instanceof Dict) && dict.dict) {
+    if (dict instanceof BaseStream) {
       dict = dict.dict;
     }
     if (!(dict instanceof Dict)) {