diff --git a/block/nbd-client.c b/block/nbd-client.c
index ee7f758e68..cc05e73c2d 100644
--- a/block/nbd-client.c
+++ b/block/nbd-client.c
@@ -31,8 +31,8 @@
 #include "qapi/error.h"
 #include "nbd-client.h"
 
-#define HANDLE_TO_INDEX(bs, handle) ((handle) ^ ((uint64_t)(intptr_t)bs))
-#define INDEX_TO_HANDLE(bs, index)  ((index)  ^ ((uint64_t)(intptr_t)bs))
+#define HANDLE_TO_INDEX(bs, handle) ((handle) ^ (uint64_t)(intptr_t)(bs))
+#define INDEX_TO_HANDLE(bs, index)  ((index)  ^ (uint64_t)(intptr_t)(bs))
 
 static void nbd_recv_coroutines_wake_all(NBDClientSession *s)
 {