diff --git a/src/basic/btrfs-ctree.h b/src/basic/btrfs-ctree.h
index 66bdf9736e..c5a4244e37 100644
--- a/src/basic/btrfs-ctree.h
+++ b/src/basic/btrfs-ctree.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include "macro.h"
+#include "missing.h"
 #include "sparse-endian.h"
 
 /* Stolen from btrfs' ctree.h */