diff --git a/wifi/1.2/default/wifi_legacy_hal.cpp b/wifi/1.2/default/wifi_legacy_hal.cpp
index 8289c67..24b80d5 100644
--- a/wifi/1.2/default/wifi_legacy_hal.cpp
+++ b/wifi/1.2/default/wifi_legacy_hal.cpp
@@ -309,6 +309,15 @@
         on_nan_event_range_report_user_callback(*event);
     }
 }
+
+std::function<void(const NanDataPathScheduleUpdateInd&)>
+    on_nan_event_schedule_update_user_callback;
+void onAsyncNanEventScheduleUpdate(NanDataPathScheduleUpdateInd* event) {
+    const auto lock = hidl_sync_util::acquireGlobalLock();
+    if (on_nan_event_schedule_update_user_callback && event) {
+        on_nan_event_schedule_update_user_callback(*event);
+    }
+}
 // End of the free-standing "C" style callbacks.
 
 WifiLegacyHal::WifiLegacyHal()
@@ -1061,6 +1070,8 @@
         user_callbacks.on_event_range_request;
     on_nan_event_range_report_user_callback =
         user_callbacks.on_event_range_report;
+    on_nan_event_schedule_update_user_callback =
+        user_callbacks.on_event_schedule_update;
 
     return global_func_table_.wifi_nan_register_handler(
         getIfaceHandle(iface_name),
@@ -1072,7 +1083,7 @@
          onAysncNanEventBeaconSdfPayload, onAysncNanEventDataPathRequest,
          onAysncNanEventDataPathConfirm, onAysncNanEventDataPathEnd,
          onAysncNanEventTransmitFollowUp, onAysncNanEventRangeRequest,
-         onAysncNanEventRangeReport});
+         onAysncNanEventRangeReport, onAsyncNanEventScheduleUpdate});
 }
 
 wifi_error WifiLegacyHal::nanEnableRequest(const std::string& iface_name,
@@ -1330,6 +1341,7 @@
     on_nan_event_transmit_follow_up_user_callback = nullptr;
     on_nan_event_range_request_user_callback = nullptr;
     on_nan_event_range_report_user_callback = nullptr;
+    on_nan_event_schedule_update_user_callback = nullptr;
 }
 
 }  // namespace legacy_hal
diff --git a/wifi/1.2/default/wifi_legacy_hal.h b/wifi/1.2/default/wifi_legacy_hal.h
index 193928b..05f700e 100644
--- a/wifi/1.2/default/wifi_legacy_hal.h
+++ b/wifi/1.2/default/wifi_legacy_hal.h
@@ -100,6 +100,7 @@
         on_event_transmit_follow_up;
     std::function<void(const NanRangeRequestInd&)> on_event_range_request;
     std::function<void(const NanRangeReportInd&)> on_event_range_report;
+    std::function<void(const NanDataPathScheduleUpdateInd&)> on_event_schedule_update;
 };
 
 // Full scan results contain IE info and are hence passed by reference, to
diff --git a/wifi/1.2/default/wifi_nan_iface.cpp b/wifi/1.2/default/wifi_nan_iface.cpp
index 1d786e3..e7bbfaa 100644
--- a/wifi/1.2/default/wifi_nan_iface.cpp
+++ b/wifi/1.2/default/wifi_nan_iface.cpp
@@ -467,6 +467,11 @@
             LOG(ERROR) << "on_event_range_report - should not be called";
         };
 
+    callback_handlers.on_event_schedule_update =
+        [weak_ptr_this](const legacy_hal::NanDataPathScheduleUpdateInd& /* msg */) {
+            LOG(ERROR) << "on_event_schedule_update - should not be called";
+        };
+
     legacy_hal::wifi_error legacy_status =
         legacy_hal_.lock()->nanRegisterCallbackHandlers(ifname_,
                                                         callback_handlers);