diff --git a/tryton/gui/window/view_form/view/form_gtk/char.py b/tryton/gui/window/view_form/view/form_gtk/char.py
index bc5d7da32d..1fca396a46 100644
--- a/tryton/gui/window/view_form/view/form_gtk/char.py
+++ b/tryton/gui/window/view_form/view/form_gtk/char.py
@@ -41,6 +41,8 @@ class Char(WidgetInterface):
         self.widget.pack_start(self.entry)
 
     def _color_widget(self):
+        if self.autocomplete:
+            return self.entry.get_child()
         return self.entry
 
     def grab_focus(self):