diff --git a/trytond/ir/cron.py b/trytond/ir/cron.py
index 5fce54ef0a..407a70d5b1 100644
--- a/trytond/ir/cron.py
+++ b/trytond/ir/cron.py
@@ -23,7 +23,7 @@ class Cron(DeactivableMixin, ModelSQL, ModelView):
             ('days', 'Days'),
             ('weeks', 'Weeks'),
             ('months', 'Months'),
-            ], "Interval Type", required=True)
+            ], "Interval Type", sort=False, required=True)
     minute = fields.Integer("Minute",
         states={
             'invisible': Eval('interval_type').in_(['minutes']),
@@ -80,6 +80,14 @@ class Cron(DeactivableMixin, ModelSQL, ModelView):
     def check_xml_record(crons, values):
         return True
 
+    @classmethod
+    def view_attributes(cls):
+        return [
+            ('//label[@id="time_label"]', 'states', {
+                    'invisible': Eval('interval_type') == 'minutes',
+                }),
+            ]
+
     def compute_next_call(self, now):
         return (now
             + relativedelta(**{self.interval_type: self.interval_number})
diff --git a/trytond/ir/view/cron_form.xml b/trytond/ir/view/cron_form.xml
index 42a8881b17..97d51e88a8 100644
--- a/trytond/ir/view/cron_form.xml
+++ b/trytond/ir/view/cron_form.xml
@@ -13,14 +13,14 @@ this repository contains the full copyright notices and license terms. -->
     </group>
     <label id="time_label" string="At"/>
     <group id="time" col="-1" colspan="3">
-        <label name="minute"/>
-        <field name="minute" xexpand="0"/>
-        <label name="hour"/>
-        <field name="hour" xexpand="0"/>
-        <label name="day"/>
-        <field name="day" xexpand="0"/>
         <label name="weekday"/>
         <field name="weekday" xexpand="0" widget="selection"/>
+        <label name="day"/>
+        <field name="day" xexpand="0"/>
+        <label name="hour"/>
+        <field name="hour" xexpand="0"/>
+        <label name="minute"/>
+        <field name="minute" xexpand="0"/>
     </group>
     <label name="next_call"/>
     <field name="next_call"/>