diff --git a/fpdfsdk/cpdfsdk_interform.cpp b/fpdfsdk/cpdfsdk_interform.cpp
index 55b9f7c..b9256aa 100644
--- a/fpdfsdk/cpdfsdk_interform.cpp
+++ b/fpdfsdk/cpdfsdk_interform.cpp
@@ -79,8 +79,7 @@
 #endif  // PDF_ENABLE_XFA
 
 bool FDFToURLEncodedData(std::vector<uint8_t>* pBuffer) {
-  std::unique_ptr<CFDF_Document> pFDF =
-      CFDF_Document::ParseMemory(pBuffer->data(), pBuffer->size());
+  std::unique_ptr<CFDF_Document> pFDF = CFDF_Document::ParseMemory(*pBuffer);
   if (!pFDF)
     return true;