diff --git a/sao/src/common.js b/sao/src/common.js
index 06abd23700..cd26b12b19 100644
--- a/sao/src/common.js
+++ b/sao/src/common.js
@@ -1576,6 +1576,7 @@
                 'multiselection': complete_selection,
                 'reference': complete_reference,
                 'datetime': complete_datetime,
+                'timestamp': complete_datetime,
                 'date': complete_date,
                 'time': complete_time
             };
@@ -1853,8 +1854,10 @@
                             operator = '=';
                         }
                     }
-                    if (~['integer', 'float', 'numeric', 'datetime', 'date',
-                            'time'].indexOf(field.type)) {
+                    if (~[
+                        'integer', 'float', 'numeric',
+                        'datetime', 'timestamp', 'date',
+                        'time'].indexOf(field.type)) {
                         if ((typeof value == 'string') && value.contains('..')) {
                             var values = value.split('..', 2);
                             var lvalue = this.convert_value(field, values[0], this.context);
@@ -2086,6 +2089,7 @@
                     }
                 }
             };
+            converts.timestamp = converts.datetime;
             var func = converts[field.type];
             if (func) {
                 return func();
@@ -2202,6 +2206,7 @@
                     }
                 }
             };
+            converts.timestamp = converts.datetime;
             if (value instanceof Array) {
                 return value.map(v => this.format_value(field, v)).join(';');
             } else {
diff --git a/tryton/tryton/common/domain_parser.py b/tryton/tryton/common/domain_parser.py
index 52b729bc82..a29dd5e10a 100644
--- a/tryton/tryton/common/domain_parser.py
+++ b/tryton/tryton/common/domain_parser.py
@@ -298,6 +298,7 @@ def convert_value(field, value, context=None):
         'multiselection': convert_selection,
         'reference': convert_selection,
         'datetime': convert_datetime,
+        'timestamp': convert_datetime,
         'date': convert_date,
         'time': convert_time,
         'timedelta': convert_timedelta,
@@ -402,6 +403,7 @@ def format_value(field, value, target=None, context=None):
         'multiselection': format_selection,
         'reference': format_reference,
         'datetime': format_datetime,
+        'timestamp': format_datetime,
         'date': format_date,
         'time': format_time,
         'timedelta': format_timedelta,
@@ -465,6 +467,7 @@ def complete_value(field, value):
         'multiselection': complete_selection,
         'reference': complete_reference,
         'datetime': complete_datetime,
+        'timestamp': complete_datetime,
         'date': complete_date,
         'time': complete_time,
         }
@@ -852,8 +855,9 @@ class DomainParser(object):
                             operator = '!='
                         else:
                             operator = '='
-                    if field['type'] in ('integer', 'float', 'numeric',
-                            'datetime', 'date', 'time'):
+                    if field['type'] in {
+                            'integer', 'float', 'numeric',
+                            'datetime', 'timestamp', 'date', 'time'}:
                         if isinstance(value, str) and '..' in value:
                             lvalue, rvalue = value.split('..', 1)
                             lvalue = convert_value(field, lvalue, self.context)