diff --git a/job.go b/job.go
index b56928f..736599d 100644
--- a/job.go
+++ b/job.go
@@ -1840,6 +1840,7 @@ func jobCraftItem(j Job) {
 						requiredItems[v.Code] = req2 + v.Quantity*(req-ava)
 					}
 				} else {
+					log.Printf("Item not craftable : %s\n", code)
 					missingItems[code] = req - ava
 				}
 			}