diff --git a/interp.py b/interp.py
index 4ccde57..664f20e 100644
--- a/interp.py
+++ b/interp.py
@@ -13,7 +13,7 @@
     def value(self):
         return self._value
 
-    def Append(self, args):
+    def verb_Append(self, args):
         appendix = args[0]
         return Text(self.value() + " " + appendix.value())
 
@@ -49,7 +49,7 @@
     for arg in ast.arguments:
         args.append(resolve_value(env, arg))
     if subject.__class__ == Text:
-        return getattr(subject, ast.verb)(args)
+        return getattr(subject, "verb_" + ast.verb)(args)
     elif subject[0] == "module":
         return module_dispatch(subject, ast.verb, args)
     return None