diff --git a/tryton/gui/window/view_form/model/field.py b/tryton/gui/window/view_form/model/field.py
index 18437516a2..e260c7533c 100644
--- a/tryton/gui/window/view_form/model/field.py
+++ b/tryton/gui/window/view_form/model/field.py
@@ -122,6 +122,13 @@ class DateTimeField(CharField):
         return value and str(value) or False
 
 
+class DateField(CharField):
+
+    def get_client(self, model):
+        value = super(DateField, self).get_client(model)
+        return value and str(value) or False
+
+
 class FloatField(CharField):
 
     def validate(self, model):
@@ -388,4 +395,5 @@ TYPES = {
     'selection': SelectionField,
     'boolean': IntegerField,
     'datetime': DateTimeField,
+    'date': DateField,
 }
diff --git a/tryton/gui/window/view_form/view/form_gtk/calendar.py b/tryton/gui/window/view_form/view/form_gtk/calendar.py
index 197bb5ddff..b6599638f0 100644
--- a/tryton/gui/window/view_form/view/form_gtk/calendar.py
+++ b/tryton/gui/window/view_form/view/form_gtk/calendar.py
@@ -76,7 +76,7 @@ class Calendar(WidgetInterface):
             self.entry.set_text('')
             return False
         super(Calendar, self).display(model, model_field)
-        value = model_field.get(model)
+        value = model_field.get_client(model)
         if not value:
             self.entry.set_text('')
         else:
diff --git a/tryton/pysocket.py b/tryton/pysocket.py
index 32f8754d9e..96170ba77a 100644
--- a/tryton/pysocket.py
+++ b/tryton/pysocket.py
@@ -4,7 +4,7 @@ import cStringIO
 
 DNS_CACHE = {}
 
-_ALLOWED_MODULES = {'datetime': ['datetime'], 'decimal': ['Decimal']}
+_ALLOWED_MODULES = {'datetime': ['datetime', 'date'], 'decimal': ['Decimal']}
 
 def checkfunction(module, klass):
     if module in _ALLOWED_MODULES and klass in _ALLOWED_MODULES[module]: