diff --git a/include/uapi/linux/userfaultfd.h b/include/uapi/linux/userfaultfd.h
index b8689050455d992373d8f2308766b1326d90f25b..a8a8a58ac029fefbb5e242a00a1c9dad72714bbc 100644
--- a/include/uapi/linux/userfaultfd.h
+++ b/include/uapi/linux/userfaultfd.h
@@ -196,7 +196,7 @@ struct uffdio_register {
 	struct uffdio_range range;
 #define UFFDIO_REGISTER_MODE_MISSING	((__u64)1<<0)
 #define UFFDIO_REGISTER_MODE_WP		((__u64)1<<1)
-#define UFFDIO_REGISTER_MODE_USWAP		((__u64)1<<2)
+#define UFFDIO_REGISTER_MODE_USWAP	((__u64)1<<10)
 	__u64 mode;
 
 	/*