diff --git a/coding/blob_storage.cpp b/coding/blob_storage.cpp
index 21995fdaf9..363e70d006 100644
--- a/coding/blob_storage.cpp
+++ b/coding/blob_storage.cpp
@@ -81,7 +81,7 @@ void BlobStorage::GetBlob(uint32_t i, string & blob) const
   uint32_t const chunkEnd = m_chunkOffset[chunk];
   vector<char> compressedData(chunkEnd - chunkBeg);
   ASSERT_GREATER(compressedData.size(), 4, ());
-  m_pReader->Read(START_OFFSET + chunkBeg, &compressedData[0], compressedData.size());
+  m_pReader->Read(HEADER_SIZE + chunkBeg, &compressedData[0], compressedData.size());
   uint32_t const decompressedSize = ReadPrimitiveFromPos<uint32_t>(
       MemReader(&compressedData[0], compressedData.size()), compressedData.size() - 4);
 
diff --git a/coding/blob_storage.hpp b/coding/blob_storage.hpp
index e909f74e34..51aafcb051 100644
--- a/coding/blob_storage.hpp
+++ b/coding/blob_storage.hpp
@@ -34,7 +34,7 @@ private:
   uint32_t GetOffsetFromBI(uint32_t blobInfo) const;
 
   uint32_t m_bitsInChunkSize;
-  static uint32_t const START_OFFSET = 4;
+  static uint32_t const HEADER_SIZE = 4;
 
   scoped_ptr<Reader const> m_pReader;
   DecompressorType m_decompressor;