diff --git a/src/utils/FileRecordTools/FileReaders/BufferedStreamMgr.cpp b/src/utils/FileRecordTools/FileReaders/BufferedStreamMgr.cpp
index 78590a7eb5c7475c93c5377c76645d26c8a11936..55ec8865e0745c90f7d80a5b93b48b07d0f4fc74 100644
--- a/src/utils/FileRecordTools/FileReaders/BufferedStreamMgr.cpp
+++ b/src/utils/FileRecordTools/FileReaders/BufferedStreamMgr.cpp
@@ -54,7 +54,7 @@ bool BufferedStreamMgr::init()
 	if (_inputStreamMgr->isGzipped()) {
 		_useBufSize = GZIP_LINE_BUF_SIZE;
 	} else {
-		_useBufSize =  67108863; //64Mb -1
+		_useBufSize =  MAIN_BUF_READ_SIZE;
 	}
 
 	size_t trueBufSize = max(_useBufSize, (int)_currScanBuffer.size());
diff --git a/src/utils/FileRecordTools/FileReaders/BufferedStreamMgr.h b/src/utils/FileRecordTools/FileReaders/BufferedStreamMgr.h
index ca9d2545d89488b353a9fc8a5edcabd30f1f5db5..963b5ce33bf5167840f1ea1ca62eb1b75011e60c 100644
--- a/src/utils/FileRecordTools/FileReaders/BufferedStreamMgr.h
+++ b/src/utils/FileRecordTools/FileReaders/BufferedStreamMgr.h
@@ -43,7 +43,7 @@ private:
 	bool _streamFinished;
 	QuickString _currScanBuffer;
 	//The minus ones in these constants are for leaving room for a null terminator after reading into buffers.
-//	static const int MAIN_BUF_READ_SIZE = 2047; //64 Mb minus 1
+	static const int MAIN_BUF_READ_SIZE = 2047; // 2 Kb minus 1
 	static const int GZIP_LINE_BUF_SIZE = 8191; // 8K
 	bool readFileChunk();
 	bool getTypeData();