diff --git a/trytond/ir/ui/icon.py b/trytond/ir/ui/icon.py
index 90e1c4612b..ef64c96599 100644
--- a/trytond/ir/ui/icon.py
+++ b/trytond/ir/ui/icon.py
@@ -15,8 +15,8 @@ class Icon(ModelSQL, ModelView):
     _description = __doc__
 
     name = fields.Char('Name', required=True, select=1)
-    module = fields.Char('Module', readonly=True)
-    path = fields.Char('SVG Path', readonly=True)
+    module = fields.Char('Module', readonly=True, required=True)
+    path = fields.Char('SVG Path', readonly=True, required=True)
     icon = fields.Function(fields.Char('Icon', depends=['path']), 'get_icon')
     sequence = fields.Integer('Sequence')