diff --git a/tryton/gui/window/view_form/view/form.py b/tryton/gui/window/view_form/view/form.py
index f544178eea..44124e4cac 100644
--- a/tryton/gui/window/view_form/view/form.py
+++ b/tryton/gui/window/view_form/view/form.py
@@ -168,4 +168,8 @@ class ViewForm(ParserView):
             self.screen.display()
             return
         else:
-            self.screen.button(widget.attrs)
+            widget.set_sensitive(False)
+            try:
+                self.screen.button(widget.attrs)
+            finally:
+                widget.set_sensitive(True)