diff --git a/ChangeLog b/ChangeLog
index 2651cbd35..6b2c5f786 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2003-04-17  Alexandre DURET-LUTZ  <aduret@src.lip6.fr>
+
+	* src/ltlvisit/lunabbrev.hh: Fix include guard.
+
 2003-04-16  Alexandre DURET-LUTZ  <aduret@src.lip6.fr>
 
 	* src/ltlvisit/tunabbrev.cc, src/ltlvisit/tunabbrev.hh: New files.
diff --git a/src/ltlvisit/lunabbrev.hh b/src/ltlvisit/lunabbrev.hh
index cd4b3d4f4..03082aadb 100644
--- a/src/ltlvisit/lunabbrev.hh
+++ b/src/ltlvisit/lunabbrev.hh
@@ -1,5 +1,5 @@
-#ifndef SPOT_LTLVISIT_UNABBREV_HH
-# define SPOT_LTLVISIT_UNABBREV_HH
+#ifndef SPOT_LTLVISIT_LUNABBREV_HH
+# define SPOT_LTLVISIT_LUNABBREV_HH
 
 #include "ltlast/formula.hh"
 #include "ltlast/visitor.hh"
@@ -34,4 +34,4 @@ namespace spot
   }
 }
 
-#endif //  SPOT_LTLVISIT_UNABBREV_HH
+#endif // SPOT_LTLVISIT_LUNABBREV_HH