diff --git a/modules/automation/freight_booking.py b/modules/automation/freight_booking.py
index b28a658..79f12df 100644
--- a/modules/automation/freight_booking.py
+++ b/modules/automation/freight_booking.py
@@ -9,7 +9,7 @@ class FreightBookingInfo(ModelSQL, ModelView):
     "Freight Booking"
     __name__ = 'freight.booking.info'
 
-    booking_number = fields.Integer("Booking Number")
+    booking_number = fields.Char("Booking Number")
     agent = fields.Char("Agent")
     controller = fields.Char("Customer")
     origin = fields.Char("Origin")