diff --git a/DLPilot/src/app_gui.py b/DLPilot/src/app_gui.py
index 3bfa930..1f40599 100644
--- a/DLPilot/src/app_gui.py
+++ b/DLPilot/src/app_gui.py
@@ -801,9 +801,9 @@ class App(ctk.CTk):
                 elif kind == 'current':
                     self.var_current.set(text)
                 elif kind == 'pdframe':
-                    self._pd_step_done(payload.type_code == 0xF0, payload)
+                    self._pd_step_done(text.type_code == 0xF0, text)
                 elif kind == 'pwrframe':
-                    self._pwr_step_done(payload)
+                    self._pwr_step_done(text)
                 else:
                     self._dlpc_log(text)
         except queue.Empty: