diff --git a/tryton/gui/window/view_form/screen/screen.py b/tryton/gui/window/view_form/screen/screen.py
index e875c38975..6d253fda7f 100644
--- a/tryton/gui/window/view_form/screen/screen.py
+++ b/tryton/gui/window/view_form/screen/screen.py
@@ -470,6 +470,7 @@ class Screen(SignalEvent):
 
     def clear(self):
         self.models.clear()
+        self.current_model = None
 
     def on_change(self, callback):
         self.current_model.on_change(callback)