diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index 1aaa2e8..126ca77 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -23,7 +23,7 @@
 struct rxrpc_crypt {
 	union {
 		u8	x[FCRYPT_BSIZE];
-		u32	n[2];
+		__be32	n[2];
 	};
 } __attribute__((aligned(8)));