diff --git a/core/fpdfapi/parser/cpdf_flateencoder.cpp b/core/fpdfapi/parser/cpdf_flateencoder.cpp
index c5ad9e8..cf56540 100644
--- a/core/fpdfapi/parser/cpdf_flateencoder.cpp
+++ b/core/fpdfapi/parser/cpdf_flateencoder.cpp
@@ -22,7 +22,7 @@
     : m_pAcc(pdfium::MakeRetain<CPDF_StreamAcc>(pStream)), m_dwSize(0) {
   m_pAcc->LoadAllDataRaw();
 
-  bool bHasFilter = pStream && pStream->HasFilter();
+  bool bHasFilter = pStream->HasFilter();
   if (bHasFilter && !bFlateEncode) {
     auto pDestAcc = pdfium::MakeRetain<CPDF_StreamAcc>(pStream);
     pDestAcc->LoadAllDataFiltered();