diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c
index 7331248f59..d3bfaf502e 100644
--- a/hw/riscv/virt-acpi-build.c
+++ b/hw/riscv/virt-acpi-build.c
@@ -374,7 +374,7 @@ static const VMStateDescription vmstate_virt_acpi_build = {
     .name = "virt_acpi_build",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_BOOL(patched, AcpiBuildState),
         VMSTATE_END_OF_LIST()
     },