Index: tests/preempt_longrun/stack.c
===================================================================
--- tests/preempt_longrun/stack.c	(revision bf71cfdb7285490eee552b461158846f626cc52f)
+++ tests/preempt_longrun/stack.c	(revision afe8882d4abe48a8b80915cca915209de65e6d15)
@@ -1,6 +1,6 @@
-#include <kernel>
-#include <math>
-#include <thread>
-#include <time>
+#include <kernel.hfa>
+#include <math.hfa>
+#include <thread.hfa>
+#include <time.hfa>
 
 #define __kick_rate 5000000ul
