diff --git a/include/asm-xtensa/fcntl.h b/include/asm-xtensa/fcntl.h
index fdae0e1..ec066ae 100644
--- a/include/asm-xtensa/fcntl.h
+++ b/include/asm-xtensa/fcntl.h
@@ -54,6 +54,7 @@
 };
 
 #define HAVE_ARCH_STRUCT_FLOCK
+#define HAVE_ARCH_STRUCT_FLOCK64
 
 #include <asm-generic/fcntl.h>