diff --git a/src/main.vala b/src/main.vala
index d8a520f..7d7fd00 100644
--- a/src/main.vala
+++ b/src/main.vala
@@ -33,8 +33,9 @@ public class PluginObjectExample : PluginObject {
 	 */
 	public override string get_readable_name () {
 		stdout.puts ("PluginObjectExample.get_readable_name () called\n");
-		stdout.puts ("Call IHostCore.any_host_method () from PluginObjectExample:\n  ");
-		(host as IHostCore).any_host_method ();
+		stdout.puts ("Call IHostCore.get_cache_dir () from PluginObjectExample:\n  ");
+		var cache_dir = (host as IHostCore).get_cache_dir ();
+		stdout.printf ("cache dir = %s\n", cache_dir);
 		return _("Protocol Object Example");
 	}
 }