diff --git a/job.go b/job.go
index 16af70d..fe23aa2 100644
--- a/job.go
+++ b/job.go
@@ -2228,7 +2228,7 @@ func jobBrewItem(j Job) {
 			rule, err := getMsgParsingRule(m)
 			logOnError(err, "jobBrewItem : getMsgParsingRule")
 			if rule.MsgTypeID64 == cacheObjSubType[`msg_alch_stock_ack`] {
-				cwm, err := parseSubTypeMessageAlchStockAck(m, rule.re)
+				_, err = parseSubTypeMessageAlchStockAck(m, rule.re)
 				logOnError(err, "jobBrewItem : parseSubTypeMessageAlchStockAck")
 				if err == nil {
 					maxResItems = make(map[int64]int64)