diff --git a/mrw/regexp.hpp b/mrw/regexp.hpp
index b368973..1926a38 100644
--- a/mrw/regexp.hpp
+++ b/mrw/regexp.hpp
@@ -9,6 +9,9 @@
     @license LGPL, see file <a href="license.html">COPYING</a>
 
     $Log$
+    Revision 1.5  2004/12/20 13:21:49  marc
+    #ifndef forgotten
+
     Revision 1.4  2004/12/20 07:40:36  marc
     documentation improved, new grouping
 
@@ -23,6 +26,8 @@
 
 
 */
+#ifndef __MRW__REGEXP_HPP__
+#define __MRW__REGEXP_HPP__
 
 #include <regex.h>
 #include <string>
@@ -149,3 +154,4 @@ namespace mrw {
   //@}
   //@}
 }
+#endif
diff --git a/mrw/tokenizer.hpp b/mrw/tokenizer.hpp
index f974543..6016d03 100644
--- a/mrw/tokenizer.hpp
+++ b/mrw/tokenizer.hpp
@@ -9,6 +9,9 @@
     @license LGPL, see file <a href="license.html">COPYING</a>
 
     $Log$
+    Revision 1.3  2004/12/20 13:24:26  marc
+    #ifndef forgotten
+
     Revision 1.2  2004/12/20 07:40:36  marc
     documentation improved, new grouping
 
@@ -17,6 +20,8 @@
 
 
 */
+#ifndef __MRW__TOKENIZER_HPP__
+#define __MRW__TOKENIZER_HPP__
 
 #include <string>
 #include <stdexcept>
@@ -175,4 +180,4 @@ namespace mrw {
   //@}
   //@}
 }
-
+#endif