diff --git a/alib2/src/regexp/RegExpFromStringLexer.h b/alib2/src/regexp/RegExpFromStringLexer.h
index 8831aa69a60b5505bfc000d1c6a8ddea0dafd98a..348f294df3b92ee9e5bea2bf4c0a4df4e95ad8a5 100644
--- a/alib2/src/regexp/RegExpFromStringLexer.h
+++ b/alib2/src/regexp/RegExpFromStringLexer.h
@@ -36,4 +36,4 @@ public:
 
 } /* namespace regexp */
 
-#endif /* REG_EXP_FROM_STRING_LEXER_H */
\ No newline at end of file
+#endif /* REG_EXP_FROM_STRING_LEXER_H_ */
\ No newline at end of file