diff --git a/common.go b/common.go
index cbb2f89..39fc3c2 100644
--- a/common.go
+++ b/common.go
@@ -209,7 +209,7 @@ type DepthMktDataDescription struct {
 func (d DepthMktDataDescription) String() string {
 	aggGroup := ""
 	if d.AggGroup != UNSETINT {
-		aggGroup = string(d.AggGroup)
+		aggGroup = fmt.Sprint(d.AggGroup)
 	}
 
 	return fmt.Sprintf("DepthMktDataDescription<Exchange: %s, SecType: %s, ListingExchange: %s, ServiceDataType: %s, AggGroup: %s>",
diff --git a/decoder.go b/decoder.go
index 6d37db8..c5fefe9 100644
--- a/decoder.go
+++ b/decoder.go
@@ -2134,7 +2134,7 @@ func (d *ibDecoder) processCompletedOrderMsg(msgBuf *MsgBuffer) {
 	o.Shareholder = msgBuf.readString()
 	o.ImbalanceOnly = msgBuf.readBool()
 	o.RouteMarketableToBbo = msgBuf.readBool()
-	o.ParenPermID = msgBuf.readInt()
+	o.ParentPermID = msgBuf.readInt()
 
 	orderState.CompletedTime = msgBuf.readString()
 	orderState.CompletedStatus = msgBuf.readString()
diff --git a/order.go b/order.go
index 0411f29..95b7fc4 100644
--- a/order.go
+++ b/order.go
@@ -195,7 +195,7 @@ type Order struct {
 	Shareholder          string
 	ImbalanceOnly        bool
 	RouteMarketableToBbo bool
-	ParenPermID          int64
+	ParentPermID         int64
 	UsePriceMgmtAlgo     bool
 
 	SoftDollarTier SoftDollarTier