diff --git a/addons/mrp/mrp.py b/addons/mrp/mrp.py
index fdca13cd5fd..e13d8bb2c89 100644
--- a/addons/mrp/mrp.py
+++ b/addons/mrp/mrp.py
@@ -1092,7 +1092,7 @@ class mrp_production(osv.osv):
         # Take routing location as a Source Location.
         source_location_id = production.location_src_id.id
         prev_move= False
-        if production.bom_id.routing_id and production.bom_id.routing_id.location_id.id != source_location_id:
+        if production.bom_id.routing_id and production.bom_id.routing_id.location_id and production.bom_id.routing_id.location_id.id != source_location_id:
             source_location2_id = source_location_id
             source_location_id = production.bom_id.routing_id.location_id.id
             prev_move = self._create_previous_move(cr, uid, production, product, uom_id, qty, uos_id, uos_qty, source_location2_id, source_location_id, context=context)