diff --git a/contexthub/aidl/default/ContextHub.cpp b/contexthub/aidl/default/ContextHub.cpp
index ac1dc46..615ac5c 100644
--- a/contexthub/aidl/default/ContextHub.cpp
+++ b/contexthub/aidl/default/ContextHub.cpp
@@ -87,6 +87,10 @@
     return ndk::ScopedAStatus::ok();
 }
 
+ScopedAStatus ContextHub::onNanSessionStateChanged(bool /*sin_state*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
 ScopedAStatus ContextHub::registerCallback(int32_t in_contextHubId,
                                            const std::shared_ptr<IContextHubCallback>& in_cb) {
     if (in_contextHubId == kMockHubId) {