diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index 99aede73b7..f165074e99 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -4014,7 +4014,7 @@ static void query_stats(StatsResultList **result, StatsTarget target,
                         stats_list);
         break;
     default:
-        break;
+        g_assert_not_reached();
     }
 }