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 0896cb687f..63df6b6332 100644
--- a/tryton/gui/window/view_form/view/form_gtk/char.py
+++ b/tryton/gui/window/view_form/view/form_gtk/char.py
@@ -10,7 +10,7 @@ class Char(WidgetInterface):
         self.widget = gtk.HBox()
         self.entry = gtk.Entry()
         self.entry.set_property('activates_default', True)
-        self.entry.set_max_length(int(attrs.get('size', 16)))
+        self.entry.set_max_length(int(attrs.get('size', 0)))
         self.entry.set_width_chars(5)
 
         self.entry.connect('button_press_event', self._menu_open)
diff --git a/tryton/gui/window/view_form/view/form_gtk/float_time.py b/tryton/gui/window/view_form/view/form_gtk/float_time.py
index 63bb4a8ff4..141552e942 100644
--- a/tryton/gui/window/view_form/view/form_gtk/float_time.py
+++ b/tryton/gui/window/view_form/view/form_gtk/float_time.py
@@ -11,7 +11,7 @@ class FloatTime(WidgetInterface):
                 attrs=attrs)
 
         self.widget = gtk.Entry()
-        self.widget.set_max_length(int(attrs.get('size', 11)))
+        self.widget.set_max_length(11)
         self.widget.set_visibility(not attrs.get('invisible', False))
         self.widget.set_width_chars(5)
         self.widget.set_property('activates_default', True)
diff --git a/tryton/gui/window/view_form/view/form_gtk/url.py b/tryton/gui/window/view_form/view/form_gtk/url.py
index 1101f8e042..a9dd5958af 100644
--- a/tryton/gui/window/view_form/view/form_gtk/url.py
+++ b/tryton/gui/window/view_form/view/form_gtk/url.py
@@ -14,7 +14,7 @@ class URL(WidgetInterface):
         self.widget = gtk.HBox(homogeneous=False)
 
         self.entry = gtk.Entry()
-        self.entry.set_max_length(int(attrs.get('size', 16)))
+        self.entry.set_max_length(int(attrs.get('size', 0)))
         self.entry.set_width_chars(5)
         self.entry.set_property('activates_default', True)
         self.entry.connect('activate', self.sig_activate)
diff --git a/tryton/gui/window/view_form/widget_search/char.py b/tryton/gui/window/view_form/widget_search/char.py
index bf803a620f..8b36226c36 100644
--- a/tryton/gui/window/view_form/widget_search/char.py
+++ b/tryton/gui/window/view_form/widget_search/char.py
@@ -13,7 +13,7 @@ class Char(Interface):
         super(Char, self).__init__(name, parent, attrs)
 
         self.widget = gtk.Entry()
-        self.widget.set_max_length(int(attrs.get('size', 16)))
+        self.widget.set_max_length(int(attrs.get('size', 0)))
         self.widget.set_width_chars(5)
         self.widget.set_property('activates_default', True)