1 files changed, 4 insertions, 3 deletions
diff --git a/core/fpdfdoc/cpvt_fontmap.cpp b/core/fpdfdoc/cpvt_fontmap.cpp
index 5960fc1215..a47595a6ac 100644
--- a/core/fpdfdoc/cpvt_fontmap.cpp
+++ b/core/fpdfdoc/cpvt_fontmap.cpp
@@ -38,9 +38,10 @@ void CPVT_FontMap::GetAnnotSysPDFFont(CPDF_Document* pDoc,
     return;
 
   CPDF_Dictionary* pFontList = pResDict->GetDictFor("Font");
-  if (pFontList && !pFontList->KeyExist(sSysFontAlias))
-    pFontList->SetReferenceFor(sSysFontAlias, pDoc, pPDFFont->GetFontDict());
-
+  if (pFontList && !pFontList->KeyExist(sSysFontAlias)) {
+    pFontList->SetReferenceFor(sSysFontAlias, pDoc,
+                               pPDFFont->GetFontDict()->GetObjNum());
+  }
   pSysFont = pPDFFont;
 }