diff --git a/contexthub/aidl/default/ContextHub.cpp b/contexthub/aidl/default/ContextHub.cpp
index b98bfb2..66f9857 100644
--- a/contexthub/aidl/default/ContextHub.cpp
+++ b/contexthub/aidl/default/ContextHub.cpp
@@ -87,7 +87,7 @@
     return ndk::ScopedAStatus::ok();
 }
 
-ScopedAStatus ContextHub::onNanSessionStateChanged(bool /*sin_state*/) {
+ScopedAStatus ContextHub::onNanSessionStateChanged(const NanSessionStateUpdate& /*in_update*/) {
     return ndk::ScopedAStatus::ok();
 }