diff --git a/NPLib/LaBr3/TLaBr3Spectra.h b/NPLib/LaBr3/TLaBr3Spectra.h
index e5f98bd7fbd2e7c95d6431c73a43d69f0859dc4b..2fd12cd33aadd52bd40d50e9c02d8b2e220037dd 100644
--- a/NPLib/LaBr3/TLaBr3Spectra.h
+++ b/NPLib/LaBr3/TLaBr3Spectra.h
@@ -1,5 +1,5 @@
-#ifndef TCHARISSASPECTRA_H
-#define TCHARISSASPECTRA_H
+#ifndef TLABR3SPECTRA_H
+#define TLABR3SPECTRA_H
 /*****************************************************************************
  * Copyright (C) 2009-2013    this file is part of the NPTool Project        *
  *                                                                           *