diff --git a/include/fcntl.h b/include/fcntl.h
index f49af928af..132c1ebe9e 100644
--- a/include/fcntl.h
+++ b/include/fcntl.h
@@ -54,6 +54,7 @@
 #define O_CLOEXEC   (1 << 10)       /* Close on execute */
 #define O_DIRECTORY (1 << 11)       /* Must be a directory */
 #define O_NOFOLLOW  (1 << 12)       /* Don't follow links */
+#define O_LARGEFILE (1 << 13)       /* Large File */
 #define O_NOATIME   (1 << 18)       /* Don't update the file last access time */
 
 /* Unsupported, but required open flags */