diff --git a/nemubot/tools/test_xmlparser.py b/nemubot/tools/test_xmlparser.py
index faf5684..d7f5a9a 100644
--- a/nemubot/tools/test_xmlparser.py
+++ b/nemubot/tools/test_xmlparser.py
@@ -20,6 +20,7 @@ class TestNode():
 
     def addChild(self, name, child):
         self.mystr = child.string
+        return True
 
 
 class Test2Node():