diff --git a/addons/stock/wizard/stock_move.py b/addons/stock/wizard/stock_move.py
index d66972fd36b..0666413e0f9 100644
--- a/addons/stock/wizard/stock_move.py
+++ b/addons/stock/wizard/stock_move.py
@@ -176,15 +176,16 @@ class split_in_production_lot(osv.osv_memory):
         """
 
         res = super(split_in_production_lot, self).default_get(cr, uid, fields, context=context)
-        move = self.pool.get('stock.move').browse(cr, uid, context['active_id'], context=context)
-        if 'product_id' in fields:
-            res.update({'product_id': move.product_id.id})
-        if 'product_uom' in fields:
-            res.update({'product_uom': move.product_uom.id})
-        if 'qty' in fields:
-            res.update({'qty': move.product_qty})
-        if 'use_exist' in fields:
-            res.update({'use_exist': (move.picking_id and move.picking_id.type=='out' and True) or False})
+        if context.get('active_id'):
+            move = self.pool.get('stock.move').browse(cr, uid, context['active_id'], context=context)
+            if 'product_id' in fields:
+                res.update({'product_id': move.product_id.id})
+            if 'product_uom' in fields:
+                res.update({'product_uom': move.product_uom.id})
+            if 'qty' in fields:
+                res.update({'qty': move.product_qty})
+            if 'use_exist' in fields:
+                res.update({'use_exist': (move.picking_id and move.picking_id.type=='out' and True) or False})
         return res
 
     _columns = {