diff --git a/etgtools/tweaker_tools.py b/etgtools/tweaker_tools.py
index b1ae6e7fc..9238a130c 100644
--- a/etgtools/tweaker_tools.py
+++ b/etgtools/tweaker_tools.py
@@ -1055,6 +1055,11 @@ class {ListClass}_iterator {{
         if (PyErr_Occurred())
             return NULL;
     %End
+
+    PyObject* __iter__();
+    %MethodCode
+        return PyObject_SelfIter(sipSelf);
+    %End
 }};
 
 class {ListClass}