diff --git a/util/fifo8.c b/util/fifo8.c
index d4d1c135e0..de8fd0f1c5 100644
--- a/util/fifo8.c
+++ b/util/fifo8.c
@@ -109,7 +109,7 @@ const VMStateDescription vmstate_fifo8 = {
     .name = "Fifo8",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_VBUFFER_UINT32(data, Fifo8, 1, NULL, capacity),
         VMSTATE_UINT32(head, Fifo8),
         VMSTATE_UINT32(num, Fifo8),