diff --git a/source3/include/clitar.h b/source3/include/clitar.h
index 2305fceeec7..ad76191fb75 100644
--- a/source3/include/clitar.h
+++ b/source3/include/clitar.h
@@ -1,3 +1,26 @@
+/*
+ * Unix SMB/Netbios implementation. 
+ * Version 3.0
+ * clitar file format
+ * Copyright (C) Andrew Tridgell              2000
+ * 
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ * 
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 675
+ * Mass Ave, Cambridge, MA 02139, USA.  
+ */
+
+#ifndef _CLITAR_H
+#define _CLITAR_H
 
 #define TBLOCK 512
 #define NAMSIZ 100
@@ -15,3 +38,5 @@ union hblock {
     char linkname[NAMSIZ];
   } dbuf;
 };
+
+#endif /* _CLITAR_H */