diff --git a/include/grmSpringSegmenter.h b/include/grmSpringSegmenter.h
index 4d0295c4b756366a9c554813cbe2f7ffd2ed82c0..240f4be5b1f53dce59d053f9835ef4c9a603a8a9 100644
--- a/include/grmSpringSegmenter.h
+++ b/include/grmSpringSegmenter.h
@@ -15,8 +15,8 @@
      PURPOSE.  See the above copyright notices for more information.
 
 =========================================================================*/
-#ifndef __GRM_SPRING_SEGMENTER_H
-#define __GRM_SPRING_SEGMENTER_H
+#ifndef GRM_SPRING_SEGMENTER_H
+#define GRM_SPRING_SEGMENTER_H
 #include "grmSegmenter.h"
 
 namespace grm