diff --git a/src/remote_protocol-structs b/src/remote_protocol-structs
index 1257aac51d..6dddd52ab1 100644
--- a/src/remote_protocol-structs
+++ b/src/remote_protocol-structs
@@ -310,9 +310,11 @@ struct remote_domain_set_perf_events_args {
                 u_int              params_len;
                 remote_typed_param * params_val;
         } params;
+        u_int                      flags;
 };
 struct remote_domain_get_perf_events_args {
         remote_nonnull_domain      dom;
+        u_int                      flags;
 };
 struct remote_domain_get_perf_events_ret {
         struct {