diff --git a/src/dat/nbt.h b/src/dat/nbt.h
index 3679ca8..cffab7a 100644
--- a/src/dat/nbt.h
+++ b/src/dat/nbt.h
@@ -7,6 +7,7 @@
 #include <stdlib.h>
 
 #include "../util/atrb.h"
+#include "../util/compat/endian.h"
 #include "../util/types.h"
 
 /* NBT (named binary tag) is a tree data structure. Tags have a numeric type ID, name and a payload.