diff --git a/apps/showcase/src/main/webapp/tags/ui/treeExampleDynamic.jsp b/apps/showcase/src/main/webapp/tags/ui/treeExampleDynamic.jsp
index 5a9e7c1cf..371192cf7 100644
--- a/apps/showcase/src/main/webapp/tags/ui/treeExampleDynamic.jsp
+++ b/apps/showcase/src/main/webapp/tags/ui/treeExampleDynamic.jsp
@@ -21,7 +21,7 @@
 		});
 	};
 
-	dojo.event.topic.subscribe("treeSelected", "treeNodeSelected");
+	dojo.event.topic.subscribe("treeSelected", this, "treeNodeSelected");
 </script>
 
 
diff --git a/apps/showcase/src/main/webapp/tags/ui/treeExampleStatic.jsp b/apps/showcase/src/main/webapp/tags/ui/treeExampleStatic.jsp
index 20ce1633a..f7d6b091e 100644
--- a/apps/showcase/src/main/webapp/tags/ui/treeExampleStatic.jsp
+++ b/apps/showcase/src/main/webapp/tags/ui/treeExampleStatic.jsp
@@ -20,7 +20,7 @@
 		});
 	};
 
-	dojo.event.topic.subscribe("treeSelected", "treeNodeSelected");
+	dojo.event.topic.subscribe("treeSelected", this, "treeNodeSelected");
 </script>