diff --git a/src/FileWrapper.h b/src/FileWrapper.h
index 4c79cfce9ba061482de5e67bec78dabe294b0fd9..cbc5b23a57ca879753bd1f8d09115fde7d1471dd 100644
--- a/src/FileWrapper.h
+++ b/src/FileWrapper.h
@@ -62,7 +62,7 @@ protected:
     std::ifstream m_inputFileStream;
 
     //Read buffer size
-    const boost::uint64_t BUFFER_SIZE = 40960;
+    const boost::uint64_t BUFFER_SIZE = 1024;
 };
 
 }   //End of namespace