diff --git a/p/daemon/uptime_master.c b/p/daemon/uptime_master.c
index 84a7124..e458d1c 100644
--- a/p/daemon/uptime_master.c
+++ b/p/daemon/uptime_master.c
@@ -3,6 +3,7 @@
 
 #include "/p/daemon/ch.h"
 #include "/p/daemon/uptime_master.h"
+#include <config.h>
 
 /// Prototypen ///
 
diff --git a/p/daemon/uptime_master.h b/p/daemon/uptime_master.h
index 862e44a..933ba98 100644
--- a/p/daemon/uptime_master.h
+++ b/p/daemon/uptime_master.h
@@ -2,7 +2,7 @@
 #define __UPTIME_MASTER__
 
 #define UPTIME_MASTER  "/p/daemon/uptime_master"
-#define MAX_UPTIME     "/p/daemon/save/maxuptime"
+#define MAX_UPTIME     "/"LIBDATADIR"/p/daemon/save/maxuptime"
 #define RECORD_CHANNEL "<MasteR>"
 
 #define DEBUG(x)