diff --git a/raid6.c b/raid6.c
index ce0f6557..a6ee483f 100644
--- a/raid6.c
+++ b/raid6.c
@@ -20,6 +20,8 @@
 #include <stdint.h>
 #include <unistd.h>
 #include "kerncompat.h"
+#include "ctree.h"
+#include "disk-io.h"
 
 /*
  * This is the C data type to use