1 files changed, 3 insertions, 2 deletions
diff --git a/core/fpdfapi/parser/cpdf_document.cpp b/core/fpdfapi/parser/cpdf_document.cpp
index 13f5db244b..fea0bddb33 100644
--- a/core/fpdfapi/parser/cpdf_document.cpp
+++ b/core/fpdfapi/parser/cpdf_document.cpp
@@ -479,8 +479,9 @@ RetainPtr<CPDF_StreamAcc> CPDF_Document::LoadFontFile(CPDF_Stream* pStream) {
   return m_pDocPage->GetFontFileStreamAcc(pStream);
 }
 
-CPDF_ColorSpace* CPDF_Document::LoadColorSpace(CPDF_Object* pCSObj,
-                                               CPDF_Dictionary* pResources) {
+CPDF_ColorSpace* CPDF_Document::LoadColorSpace(
+    const CPDF_Object* pCSObj,
+    const CPDF_Dictionary* pResources) {
   return m_pDocPage->GetColorSpace(pCSObj, pResources);
 }