diff --git a/poppler/PDFDoc.cc b/poppler/PDFDoc.cc
index 3b3752f..3a62e5a 100644
--- a/poppler/PDFDoc.cc
+++ b/poppler/PDFDoc.cc
@@ -641,6 +641,8 @@ int PDFDoc::savePageAs(GooString *name, int pageNo)
   Ref *refPage = getCatalog()->getPageRef(pageNo);
   Object page;
   getXRef()->fetch(refPage->num, refPage->gen, &page);
+  oldRefNum = refPage->num;
+  newRefNum = rootNum + 2;
 
   if (!(f = fopen(name->getCString(), "wb"))) {
     error(errIO, -1, "Couldn't open file '{0:t}'", name);
@@ -1430,7 +1432,17 @@ void PDFDoc::markDictionnary (Dict* dict, XRef * xRef, XRef *countRef, Guint num
 {
   Object obj1;
   for (int i=0; i<dict->getLength(); i++) {
-    markObject(dict->getValNF(i, &obj1), xRef, countRef, numOffset);
+    const char *key = dict->getKey(i);
+    if (strcmp(key, "Annots") != 0) {
+      markObject(dict->getValNF(i, &obj1), xRef, countRef, numOffset);
+    } else {
+      Object annotsObj;
+      dict->getValNF(i, &annotsObj);
+      if (!annotsObj.isNull()) {
+        markAnnotations(&annotsObj, xRef, countRef, 0, oldRefNum, newRefNum);
+        annotsObj.free();
+      }
+    }
     obj1.free();
   }
 }
diff --git a/poppler/PDFDoc.h b/poppler/PDFDoc.h
index fdb7f3b..69e889d 100644
--- a/poppler/PDFDoc.h
+++ b/poppler/PDFDoc.h
@@ -338,6 +338,9 @@ private:
 #if MULTITHREADED
   GooMutex mutex;
 #endif
+public:
+  int oldRefNum;
+  int newRefNum;
 };
 
 #endif
diff --git a/utils/pdfunite.cc b/utils/pdfunite.cc
index b53e497..c953336 100644
--- a/utils/pdfunite.cc
+++ b/utils/pdfunite.cc
@@ -129,6 +129,8 @@ int main (int argc, char *argv[])
       }
       pages.push_back(page);
       offsets.push_back(numOffset);
+      docs[i]->oldRefNum = refPage->num;
+      docs[i]->newRefNum = refPage->num;
       docs[i]->markPageObjects(pageDict, yRef, countRef, numOffset);
       Object annotsObj;
       pageDict->lookupNF("Annots", &annotsObj);