diff --git a/libs/ardour/ardour/recent_sessions.h b/libs/ardour/ardour/recent_sessions.h
index 9b1beea4af..e32b67bcd8 100644
--- a/libs/ardour/ardour/recent_sessions.h
+++ b/libs/ardour/ardour/recent_sessions.h
@@ -18,7 +18,7 @@
 */
 
 #ifndef __ardour_recent_sessions_h__
-#define __ardour_recent_sessions__h__
+#define __ardour_recent_sessions_h__
 
 #include <deque>
 #include <utility>