diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 80b09952e7..4329015076 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -2661,7 +2661,7 @@ RISCVCPUImpliedExtsRule *riscv_multi_ext_implied_rules[] = {
     NULL
 };
 
-static Property riscv_cpu_properties[] = {
+static const Property riscv_cpu_properties[] = {
     DEFINE_PROP_BOOL("debug", RISCVCPU, cfg.debug, true),
 
     {.name = "pmu-mask", .info = &prop_pmu_mask},