diff --git a/headers/os/media/ParameterWeb.h b/headers/os/media/ParameterWeb.h
index b64240fb04..c6a890eb12 100644
--- a/headers/os/media/ParameterWeb.h
+++ b/headers/os/media/ParameterWeb.h
@@ -91,6 +91,11 @@ public:
 			int32				CountParameters();
 			BParameter*			ParameterAt(int32 index);
 
+			status_t			StartWatching(const BMessenger& target,
+									int32 notificationType);
+			status_t			StopWatching(const BMessenger& target,
+									int32 notificationType);
+
 	// BFlattenable implementation
 	virtual	bool				IsFixedSize() const;
 	virtual type_code			TypeCode() const;
diff --git a/src/kits/media/ParameterWeb.cpp b/src/kits/media/ParameterWeb.cpp
index 21768187fe..ac2b773db3 100644
--- a/src/kits/media/ParameterWeb.cpp
+++ b/src/kits/media/ParameterWeb.cpp
@@ -419,6 +419,20 @@ BParameterWeb::ParameterAt(int32 index)
 }
 
 
+status_t
+BParameterWeb::StartWatching(const BMessenger& target, int32 notificationType)
+{
+	return B_ERROR;
+}
+
+
+status_t
+BParameterWeb::StopWatching(const BMessenger& target, int32 notificationType)
+{
+	return B_ERROR;
+}
+
+
 bool
 BParameterWeb::IsFixedSize() const
 {