diff --git a/rattail_corepos/batch/pos.py b/rattail_corepos/batch/pos.py
index 5b5380f..040399c 100644
--- a/rattail_corepos/batch/pos.py
+++ b/rattail_corepos/batch/pos.py
@@ -48,6 +48,7 @@ class POSBatchHandler(base.POSBatchHandler):
 
         self.corepos_handler = self.app.get_corepos_handler()
         self.coretrans = self.corepos_handler.get_model_office_trans()
+        self.maxlen_upc = self.app.maxlen(self.coretrans.TransactionDetail.upc)
         self.maxlen_description = self.app.maxlen(self.coretrans.TransactionDetail.description)
 
         # convert batch rows to `dtransactions` records
@@ -122,8 +123,15 @@ class POSBatchHandler(base.POSBatchHandler):
 
     def make_d_badscan(self, row):
         d = self.make_d_basic(row=row)
-        d.upc = row.item_entry
         d.description = 'BADSCAN'
+
+        d.upc = row.item_entry
+        if d.upc and len(d.upc) > self.maxlen_upc:
+            log.debug("have to truncate this upc to %s chars (it has %s): %s",
+                      self.maxlen_upc, len(d.upc), d.upc)
+            d.upc = d.upc[:self.maxlen_upc]
+            d.description += " (TRUNCATED)"
+
         return d
 
     def make_d_customer(self, row):