Index: libcfa/src/concurrency/alarm.cfa
===================================================================
--- libcfa/src/concurrency/alarm.cfa	(revision ba9baadeb7d347b3375a3c22e4ce3628359e9187)
+++ libcfa/src/concurrency/alarm.cfa	(revision bec4d2435d8ea54e6e363023bbca8547befcc1e1)
@@ -22,7 +22,7 @@
 }
 
-#include "alarm.h"
-#include "kernel_private.h"
-#include "preemption.h"
+#include "alarm.hfa"
+#include "kernel_private.hfa"
+#include "preemption.hfa"
 
 //=============================================================================================