diff --git a/dakota_interface.py b/dakota_interface.py
index 5c6c0bd..2d409e9 100644
--- a/dakota_interface.py
+++ b/dakota_interface.py
@@ -116,7 +116,7 @@ def process(fn_json_args):
                 args = pp[1:]
                 if fn == 'self':
                     r = bps[args[1]]
-                    inter[args[1]] = bps[args[1]]
+                    inter[rn] = bps[args[1]]
                 else:
                     r = eval(f'dpf.{fn}')(interface_args, params, bps, inter, *args)
                 # results[rn].function = r